Home / 631,397.58-871,536.29-502,572.35

Finding the Fourth Proportional to 631,397.58, 871,536.29 and 502,572.35

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Solution

The fourth proportional to 631,397.58, 871,536.29 and 502,572.35 is: 693,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,397.58 : 871,536.29 = 502,572.35 : x
  2. Step 2: Convert to fraction form
    631,397.58/871,536.29 = 502,572.35/x
  3. Step 3: Cross multiply
    631,397.58x = 871,536.29 × 502,572.35
  4. Step 4: Simplify right side
    631,397.58x = 438,010,034,505.04
  5. Step 5: Solve for x
    x = 438,010,034,505.04/631,397.58
  6. Step 6: Final answer
    x = 693,715.10

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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.