Home / 549,969.20-824,297.70-493,544.60

Finding the Fourth Proportional to 549,969.20, 824,297.70 and 493,544.60

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Solution

The fourth proportional to 549,969.20, 824,297.70 and 493,544.60 is: 739,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,969.20 : 824,297.70 = 493,544.60 : x
  2. Step 2: Convert to fraction form
    549,969.20/824,297.70 = 493,544.60/x
  3. Step 3: Cross multiply
    549,969.20x = 824,297.70 × 493,544.60
  4. Step 4: Simplify right side
    549,969.20x = 406,827,678,627.42
  5. Step 5: Solve for x
    x = 406,827,678,627.42/549,969.20
  6. Step 6: Final answer
    x = 739,728.11

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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.