Home / 927,086.04-1,279,508.40-669,795.72

Finding the Fourth Proportional to 927,086.04, 1,279,508.40 and 669,795.72

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Solution

The fourth proportional to 927,086.04, 1,279,508.40 and 669,795.72 is: 924,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,086.04 : 1,279,508.40 = 669,795.72 : x
  2. Step 2: Convert to fraction form
    927,086.04/1,279,508.40 = 669,795.72/x
  3. Step 3: Cross multiply
    927,086.04x = 1,279,508.40 × 669,795.72
  4. Step 4: Simplify right side
    927,086.04x = 857,009,250,024.05
  5. Step 5: Solve for x
    x = 857,009,250,024.05/927,086.04
  6. Step 6: Final answer
    x = 924,411.77

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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.