Home / 972,004.98-1,341,367.71-542,285.20

Finding the Fourth Proportional to 972,004.98, 1,341,367.71 and 542,285.20

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Solution

The fourth proportional to 972,004.98, 1,341,367.71 and 542,285.20 is: 748,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,004.98 : 1,341,367.71 = 542,285.20 : x
  2. Step 2: Convert to fraction form
    972,004.98/1,341,367.71 = 542,285.20/x
  3. Step 3: Cross multiply
    972,004.98x = 1,341,367.71 × 542,285.20
  4. Step 4: Simplify right side
    972,004.98x = 727,403,856,890.89
  5. Step 5: Solve for x
    x = 727,403,856,890.89/972,004.98
  6. Step 6: Final answer
    x = 748,354.04

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1.5x scale

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.