Home / 869,909.10-1,304,847.18-357,465.30

Finding the Fourth Proportional to 869,909.10, 1,304,847.18 and 357,465.30

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Solution

The fourth proportional to 869,909.10, 1,304,847.18 and 357,465.30 is: 536,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,909.10 : 1,304,847.18 = 357,465.30 : x
  2. Step 2: Convert to fraction form
    869,909.10/1,304,847.18 = 357,465.30/x
  3. Step 3: Cross multiply
    869,909.10x = 1,304,847.18 × 357,465.30
  4. Step 4: Simplify right side
    869,909.10x = 466,437,588,652.85
  5. Step 5: Solve for x
    x = 466,437,588,652.85/869,909.10
  6. Step 6: Final answer
    x = 536,191.18

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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.