Home / 932,905.94-1,287,398.64-525,008.54

Finding the Fourth Proportional to 932,905.94, 1,287,398.64 and 525,008.54

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Solution

The fourth proportional to 932,905.94, 1,287,398.64 and 525,008.54 is: 724,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,905.94 : 1,287,398.64 = 525,008.54 : x
  2. Step 2: Convert to fraction form
    932,905.94/1,287,398.64 = 525,008.54/x
  3. Step 3: Cross multiply
    932,905.94x = 1,287,398.64 × 525,008.54
  4. Step 4: Simplify right side
    932,905.94x = 675,895,280,384.39
  5. Step 5: Solve for x
    x = 675,895,280,384.39/932,905.94
  6. Step 6: Final answer
    x = 724,505.28

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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.