Home / 768,516.20-1,152,083.10-502,404.20

Finding the Fourth Proportional to 768,516.20, 1,152,083.10 and 502,404.20

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Solution

The fourth proportional to 768,516.20, 1,152,083.10 and 502,404.20 is: 753,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,516.20 : 1,152,083.10 = 502,404.20 : x
  2. Step 2: Convert to fraction form
    768,516.20/1,152,083.10 = 502,404.20/x
  3. Step 3: Cross multiply
    768,516.20x = 1,152,083.10 × 502,404.20
  4. Step 4: Simplify right side
    768,516.20x = 578,811,388,189.02
  5. Step 5: Solve for x
    x = 578,811,388,189.02/768,516.20
  6. Step 6: Final answer
    x = 753,154.44

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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.