Home / 516,607.03-712,926.23-284,043.81

Finding the Fourth Proportional to 516,607.03, 712,926.23 and 284,043.81

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Solution

The fourth proportional to 516,607.03, 712,926.23 and 284,043.81 is: 391,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,607.03 : 712,926.23 = 284,043.81 : x
  2. Step 2: Convert to fraction form
    516,607.03/712,926.23 = 284,043.81/x
  3. Step 3: Cross multiply
    516,607.03x = 712,926.23 × 284,043.81
  4. Step 4: Simplify right side
    516,607.03x = 202,502,283,871.39
  5. Step 5: Solve for x
    x = 202,502,283,871.39/516,607.03
  6. Step 6: Final answer
    x = 391,985.15

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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.