Home / 972,601.22-1,342,186.35-542,877.59

Finding the Fourth Proportional to 972,601.22, 1,342,186.35 and 542,877.59

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Solution

The fourth proportional to 972,601.22, 1,342,186.35 and 542,877.59 is: 749,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,601.22 : 1,342,186.35 = 542,877.59 : x
  2. Step 2: Convert to fraction form
    972,601.22/1,342,186.35 = 542,877.59/x
  3. Step 3: Cross multiply
    972,601.22x = 1,342,186.35 × 542,877.59
  4. Step 4: Simplify right side
    972,601.22x = 728,642,895,392.26
  5. Step 5: Solve for x
    x = 728,642,895,392.26/972,601.22
  6. Step 6: Final answer
    x = 749,169.22

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Double scale
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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.