Home / 572,835.57-790,538.12-318,186.77

Finding the Fourth Proportional to 572,835.57, 790,538.12 and 318,186.77

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Solution

The fourth proportional to 572,835.57, 790,538.12 and 318,186.77 is: 439,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,835.57 : 790,538.12 = 318,186.77 : x
  2. Step 2: Convert to fraction form
    572,835.57/790,538.12 = 318,186.77/x
  3. Step 3: Cross multiply
    572,835.57x = 790,538.12 × 318,186.77
  4. Step 4: Simplify right side
    572,835.57x = 251,538,765,421.05
  5. Step 5: Solve for x
    x = 251,538,765,421.05/572,835.57
  6. Step 6: Final answer
    x = 439,111.64

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Double scale
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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.