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Finding the Fourth Proportional to 549,608.40, 824,412.60 and 495,370.80

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Solution

The fourth proportional to 549,608.40, 824,412.60 and 495,370.80 is: 743,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,608.40 : 824,412.60 = 495,370.80 : x
  2. Step 2: Convert to fraction form
    549,608.40/824,412.60 = 495,370.80/x
  3. Step 3: Cross multiply
    549,608.40x = 824,412.60 × 495,370.80
  4. Step 4: Simplify right side
    549,608.40x = 408,389,929,192.08
  5. Step 5: Solve for x
    x = 408,389,929,192.08/549,608.40
  6. Step 6: Final answer
    x = 743,056.20

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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.