Home / 549,966.30-824,949.45-455,487.90

Finding the Fourth Proportional to 549,966.30, 824,949.45 and 455,487.90

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Solution

The fourth proportional to 549,966.30, 824,949.45 and 455,487.90 is: 683,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,966.30 : 824,949.45 = 455,487.90 : x
  2. Step 2: Convert to fraction form
    549,966.30/824,949.45 = 455,487.90/x
  3. Step 3: Cross multiply
    549,966.30x = 824,949.45 × 455,487.90
  4. Step 4: Simplify right side
    549,966.30x = 375,754,492,586.66
  5. Step 5: Solve for x
    x = 375,754,492,586.66/549,966.30
  6. Step 6: Final answer
    x = 683,231.85

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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.