Home / 747,391.39-1,120,543.95-297,977.47

Finding the Fourth Proportional to 747,391.39, 1,120,543.95 and 297,977.47

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Solution

The fourth proportional to 747,391.39, 1,120,543.95 and 297,977.47 is: 446,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,391.39 : 1,120,543.95 = 297,977.47 : x
  2. Step 2: Convert to fraction form
    747,391.39/1,120,543.95 = 297,977.47/x
  3. Step 3: Cross multiply
    747,391.39x = 1,120,543.95 × 297,977.47
  4. Step 4: Simplify right side
    747,391.39x = 333,896,849,560.86
  5. Step 5: Solve for x
    x = 333,896,849,560.86/747,391.39
  6. Step 6: Final answer
    x = 446,749.66

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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.