Home / 513,989.28-709,294.24-284,533.44

Finding the Fourth Proportional to 513,989.28, 709,294.24 and 284,533.44

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Solution

The fourth proportional to 513,989.28, 709,294.24 and 284,533.44 is: 392,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,989.28 : 709,294.24 = 284,533.44 : x
  2. Step 2: Convert to fraction form
    513,989.28/709,294.24 = 284,533.44/x
  3. Step 3: Cross multiply
    513,989.28x = 709,294.24 × 284,533.44
  4. Step 4: Simplify right side
    513,989.28x = 201,817,930,079.39
  5. Step 5: Solve for x
    x = 201,817,930,079.39/513,989.28
  6. Step 6: Final answer
    x = 392,650.08

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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.