Home / 762,384.44-1,142,133.22-508,900.60

Finding the Fourth Proportional to 762,384.44, 1,142,133.22 and 508,900.60

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Solution

The fourth proportional to 762,384.44, 1,142,133.22 and 508,900.60 is: 762,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,384.44 : 1,142,133.22 = 508,900.60 : x
  2. Step 2: Convert to fraction form
    762,384.44/1,142,133.22 = 508,900.60/x
  3. Step 3: Cross multiply
    762,384.44x = 1,142,133.22 × 508,900.60
  4. Step 4: Simplify right side
    762,384.44x = 581,232,280,937.93
  5. Step 5: Solve for x
    x = 581,232,280,937.93/762,384.44
  6. Step 6: Final answer
    x = 762,387.39

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Double scale
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1.5x scale

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.