Home / 981,875.61-1,354,830.26-552,130.11

Finding the Fourth Proportional to 981,875.61, 1,354,830.26 and 552,130.11

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Solution

The fourth proportional to 981,875.61, 1,354,830.26 and 552,130.11 is: 761,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,875.61 : 1,354,830.26 = 552,130.11 : x
  2. Step 2: Convert to fraction form
    981,875.61/1,354,830.26 = 552,130.11/x
  3. Step 3: Cross multiply
    981,875.61x = 1,354,830.26 × 552,130.11
  4. Step 4: Simplify right side
    981,875.61x = 748,042,580,485.13
  5. Step 5: Solve for x
    x = 748,042,580,485.13/981,875.61
  6. Step 6: Final answer
    x = 761,850.66

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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.