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Finding the Fourth Proportional to 577,504.30, 865,272.30 and 492,867.40

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Solution

The fourth proportional to 577,504.30, 865,272.30 and 492,867.40 is: 738,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,504.30 : 865,272.30 = 492,867.40 : x
  2. Step 2: Convert to fraction form
    577,504.30/865,272.30 = 492,867.40/x
  3. Step 3: Cross multiply
    577,504.30x = 865,272.30 × 492,867.40
  4. Step 4: Simplify right side
    577,504.30x = 426,464,508,793.02
  5. Step 5: Solve for x
    x = 426,464,508,793.02/577,504.30
  6. Step 6: Final answer
    x = 738,461.18

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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.