Home / 972,005.33-1,341,368.19-542,285.55

Finding the Fourth Proportional to 972,005.33, 1,341,368.19 and 542,285.55

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Solution

The fourth proportional to 972,005.33, 1,341,368.19 and 542,285.55 is: 748,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,005.33 : 1,341,368.19 = 542,285.55 : x
  2. Step 2: Convert to fraction form
    972,005.33/1,341,368.19 = 542,285.55/x
  3. Step 3: Cross multiply
    972,005.33x = 1,341,368.19 × 542,285.55
  4. Step 4: Simplify right side
    972,005.33x = 727,404,586,666.66
  5. Step 5: Solve for x
    x = 727,404,586,666.66/972,005.33
  6. Step 6: Final answer
    x = 748,354.52

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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.