Home / 971,999.95-1,341,360.77-542,280.16

Finding the Fourth Proportional to 971,999.95, 1,341,360.77 and 542,280.16

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Solution

The fourth proportional to 971,999.95, 1,341,360.77 and 542,280.16 is: 748,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,999.95 : 1,341,360.77 = 542,280.16 : x
  2. Step 2: Convert to fraction form
    971,999.95/1,341,360.77 = 542,280.16/x
  3. Step 3: Cross multiply
    971,999.95x = 1,341,360.77 × 542,280.16
  4. Step 4: Simplify right side
    971,999.95x = 727,393,332,973.32
  5. Step 5: Solve for x
    x = 727,393,332,973.32/971,999.95
  6. Step 6: Final answer
    x = 748,347.09

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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.