Home / 672,364.20-927,961.40-442,884.72

Finding the Fourth Proportional to 672,364.20, 927,961.40 and 442,884.72

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Solution

The fourth proportional to 672,364.20, 927,961.40 and 442,884.72 is: 611,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,364.20 : 927,961.40 = 442,884.72 : x
  2. Step 2: Convert to fraction form
    672,364.20/927,961.40 = 442,884.72/x
  3. Step 3: Cross multiply
    672,364.20x = 927,961.40 × 442,884.72
  4. Step 4: Simplify right side
    672,364.20x = 410,979,924,809.81
  5. Step 5: Solve for x
    x = 410,979,924,809.81/672,364.20
  6. Step 6: Final answer
    x = 611,246.00

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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.