Home / 572,788.26-790,426.76-318,155.85

Finding the Fourth Proportional to 572,788.26, 790,426.76 and 318,155.85

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Solution

The fourth proportional to 572,788.26, 790,426.76 and 318,155.85 is: 439,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,788.26 : 790,426.76 = 318,155.85 : x
  2. Step 2: Convert to fraction form
    572,788.26/790,426.76 = 318,155.85/x
  3. Step 3: Cross multiply
    572,788.26x = 790,426.76 × 318,155.85
  4. Step 4: Simplify right side
    572,788.26x = 251,478,896,099.77
  5. Step 5: Solve for x
    x = 251,478,896,099.77/572,788.26
  6. Step 6: Final answer
    x = 439,043.38

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Half scale
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Double scale
Find fourth proportional to 572,789.26, 790,428.13 and 318,156.85
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.