Home / 398,621.70-597,932.55-382,875.30

Finding the Fourth Proportional to 398,621.70, 597,932.55 and 382,875.30

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Solution

The fourth proportional to 398,621.70, 597,932.55 and 382,875.30 is: 574,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,621.70 : 597,932.55 = 382,875.30 : x
  2. Step 2: Convert to fraction form
    398,621.70/597,932.55 = 382,875.30/x
  3. Step 3: Cross multiply
    398,621.70x = 597,932.55 × 382,875.30
  4. Step 4: Simplify right side
    398,621.70x = 228,933,604,461.02
  5. Step 5: Solve for x
    x = 228,933,604,461.02/398,621.70
  6. Step 6: Final answer
    x = 574,312.95

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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.