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Finding the Fourth Proportional to 669,932.37, 924,548 and 383,445.90

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Solution

The fourth proportional to 669,932.37, 924,548 and 383,445.90 is: 529,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,932.37 : 924,548 = 383,445.90 : x
  2. Step 2: Convert to fraction form
    669,932.37/924,548 = 383,445.90/x
  3. Step 3: Cross multiply
    669,932.37x = 924,548 × 383,445.90
  4. Step 4: Simplify right side
    669,932.37x = 354,514,139,953.20
  5. Step 5: Solve for x
    x = 354,514,139,953.20/669,932.37
  6. Step 6: Final answer
    x = 529,179.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.