Home / 747,296.49-1,120,937.31-342,373.83

Finding the Fourth Proportional to 747,296.49, 1,120,937.31 and 342,373.83

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Solution

The fourth proportional to 747,296.49, 1,120,937.31 and 342,373.83 is: 513,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,296.49 : 1,120,937.31 = 342,373.83 : x
  2. Step 2: Convert to fraction form
    747,296.49/1,120,937.31 = 342,373.83/x
  3. Step 3: Cross multiply
    747,296.49x = 1,120,937.31 × 342,373.83
  4. Step 4: Simplify right side
    747,296.49x = 383,779,600,014.60
  5. Step 5: Solve for x
    x = 383,779,600,014.60/747,296.49
  6. Step 6: Final answer
    x = 513,557.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.