Home / 875,747.55-1,314,140.15-370,280.91

Finding the Fourth Proportional to 875,747.55, 1,314,140.15 and 370,280.91

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Solution

The fourth proportional to 875,747.55, 1,314,140.15 and 370,280.91 is: 555,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,747.55 : 1,314,140.15 = 370,280.91 : x
  2. Step 2: Convert to fraction form
    875,747.55/1,314,140.15 = 370,280.91/x
  3. Step 3: Cross multiply
    875,747.55x = 1,314,140.15 × 370,280.91
  4. Step 4: Simplify right side
    875,747.55x = 486,601,008,758.13
  5. Step 5: Solve for x
    x = 486,601,008,758.13/875,747.55
  6. Step 6: Final answer
    x = 555,640.73

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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.