Home / 722,531.92-997,051.38-395,779.94

Finding the Fourth Proportional to 722,531.92, 997,051.38 and 395,779.94

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Solution

The fourth proportional to 722,531.92, 997,051.38 and 395,779.94 is: 546,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,531.92 : 997,051.38 = 395,779.94 : x
  2. Step 2: Convert to fraction form
    722,531.92/997,051.38 = 395,779.94/x
  3. Step 3: Cross multiply
    722,531.92x = 997,051.38 × 395,779.94
  4. Step 4: Simplify right side
    722,531.92x = 394,612,935,353.32
  5. Step 5: Solve for x
    x = 394,612,935,353.32/722,531.92
  6. Step 6: Final answer
    x = 546,152.95

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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.