Home / 692,877.04-1,039,344.68-338,189.38

Finding the Fourth Proportional to 692,877.04, 1,039,344.68 and 338,189.38

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Solution

The fourth proportional to 692,877.04, 1,039,344.68 and 338,189.38 is: 507,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,877.04 : 1,039,344.68 = 338,189.38 : x
  2. Step 2: Convert to fraction form
    692,877.04/1,039,344.68 = 338,189.38/x
  3. Step 3: Cross multiply
    692,877.04x = 1,039,344.68 × 338,189.38
  4. Step 4: Simplify right side
    692,877.04x = 351,495,331,182.61
  5. Step 5: Solve for x
    x = 351,495,331,182.61/692,877.04
  6. Step 6: Final answer
    x = 507,298.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.