Home / 649,069.28-895,655.20-377,134.32

Finding the Fourth Proportional to 649,069.28, 895,655.20 and 377,134.32

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Solution

The fourth proportional to 649,069.28, 895,655.20 and 377,134.32 is: 520,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,069.28 : 895,655.20 = 377,134.32 : x
  2. Step 2: Convert to fraction form
    649,069.28/895,655.20 = 377,134.32/x
  3. Step 3: Cross multiply
    649,069.28x = 895,655.20 × 377,134.32
  4. Step 4: Simplify right side
    649,069.28x = 337,782,314,806.46
  5. Step 5: Solve for x
    x = 337,782,314,806.46/649,069.28
  6. Step 6: Final answer
    x = 520,410.26

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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.