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Finding the Fourth Proportional to 597,955.20, 896,932.80 and 574,627.20

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Solution

The fourth proportional to 597,955.20, 896,932.80 and 574,627.20 is: 861,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,955.20 : 896,932.80 = 574,627.20 : x
  2. Step 2: Convert to fraction form
    597,955.20/896,932.80 = 574,627.20/x
  3. Step 3: Cross multiply
    597,955.20x = 896,932.80 × 574,627.20
  4. Step 4: Simplify right side
    597,955.20x = 515,401,983,452.16
  5. Step 5: Solve for x
    x = 515,401,983,452.16/597,955.20
  6. Step 6: Final answer
    x = 861,940.80

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Double scale
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Similar ratio
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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.