Home / 597,637.20-896,455.80-438,204.90

Finding the Fourth Proportional to 597,637.20, 896,455.80 and 438,204.90

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Solution

The fourth proportional to 597,637.20, 896,455.80 and 438,204.90 is: 657,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,637.20 : 896,455.80 = 438,204.90 : x
  2. Step 2: Convert to fraction form
    597,637.20/896,455.80 = 438,204.90/x
  3. Step 3: Cross multiply
    597,637.20x = 896,455.80 × 438,204.90
  4. Step 4: Simplify right side
    597,637.20x = 392,831,324,193.42
  5. Step 5: Solve for x
    x = 392,831,324,193.42/597,637.20
  6. Step 6: Final answer
    x = 657,307.35

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Similar ratio
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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.