Home / 549,985.20-824,321.70-493,560.60

Finding the Fourth Proportional to 549,985.20, 824,321.70 and 493,560.60

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Solution

The fourth proportional to 549,985.20, 824,321.70 and 493,560.60 is: 739,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,985.20 : 824,321.70 = 493,560.60 : x
  2. Step 2: Convert to fraction form
    549,985.20/824,321.70 = 493,560.60/x
  3. Step 3: Cross multiply
    549,985.20x = 824,321.70 × 493,560.60
  4. Step 4: Simplify right side
    549,985.20x = 406,852,712,845.02
  5. Step 5: Solve for x
    x = 406,852,712,845.02/549,985.20
  6. Step 6: Final answer
    x = 739,752.11

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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.