Home / 947,123.93-1,307,077.68-539,233.85

Finding the Fourth Proportional to 947,123.93, 1,307,077.68 and 539,233.85

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Solution

The fourth proportional to 947,123.93, 1,307,077.68 and 539,233.85 is: 744,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,123.93 : 1,307,077.68 = 539,233.85 : x
  2. Step 2: Convert to fraction form
    947,123.93/1,307,077.68 = 539,233.85/x
  3. Step 3: Cross multiply
    947,123.93x = 1,307,077.68 × 539,233.85
  4. Step 4: Simplify right side
    947,123.93x = 704,820,523,100.08
  5. Step 5: Solve for x
    x = 704,820,523,100.08/947,123.93
  6. Step 6: Final answer
    x = 744,169.27

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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.