Home / 971,999.79-1,341,357.73-542,254.29

Finding the Fourth Proportional to 971,999.79, 1,341,357.73 and 542,254.29

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Solution

The fourth proportional to 971,999.79, 1,341,357.73 and 542,254.29 is: 748,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,999.79 : 1,341,357.73 = 542,254.29 : x
  2. Step 2: Convert to fraction form
    971,999.79/1,341,357.73 = 542,254.29/x
  3. Step 3: Cross multiply
    971,999.79x = 1,341,357.73 × 542,254.29
  4. Step 4: Simplify right side
    971,999.79x = 727,356,983,517.16
  5. Step 5: Solve for x
    x = 727,356,983,517.16/971,999.79
  6. Step 6: Final answer
    x = 748,309.82

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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.