Home / 581,350.03-802,272.38-319,715.68

Finding the Fourth Proportional to 581,350.03, 802,272.38 and 319,715.68

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Solution

The fourth proportional to 581,350.03, 802,272.38 and 319,715.68 is: 441,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,350.03 : 802,272.38 = 319,715.68 : x
  2. Step 2: Convert to fraction form
    581,350.03/802,272.38 = 319,715.68/x
  3. Step 3: Cross multiply
    581,350.03x = 802,272.38 × 319,715.68
  4. Step 4: Simplify right side
    581,350.03x = 256,499,059,516.92
  5. Step 5: Solve for x
    x = 256,499,059,516.92/581,350.03
  6. Step 6: Final answer
    x = 441,212.77

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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.