Home / 694,904.30-1,043,911.65-666,565.10

Finding the Fourth Proportional to 694,904.30, 1,043,911.65 and 666,565.10

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Solution

The fourth proportional to 694,904.30, 1,043,911.65 and 666,565.10 is: 1,001,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,904.30 : 1,043,911.65 = 666,565.10 : x
  2. Step 2: Convert to fraction form
    694,904.30/1,043,911.65 = 666,565.10/x
  3. Step 3: Cross multiply
    694,904.30x = 1,043,911.65 × 666,565.10
  4. Step 4: Simplify right side
    694,904.30x = 695,835,073,373.42
  5. Step 5: Solve for x
    x = 695,835,073,373.42/694,904.30
  6. Step 6: Final answer
    x = 1,001,339.43

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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.