Home / 672,672.70-1,007,259.45-434,727.10

Finding the Fourth Proportional to 672,672.70, 1,007,259.45 and 434,727.10

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Solution

The fourth proportional to 672,672.70, 1,007,259.45 and 434,727.10 is: 650,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,672.70 : 1,007,259.45 = 434,727.10 : x
  2. Step 2: Convert to fraction form
    672,672.70/1,007,259.45 = 434,727.10/x
  3. Step 3: Cross multiply
    672,672.70x = 1,007,259.45 × 434,727.10
  4. Step 4: Simplify right side
    672,672.70x = 437,882,979,646.10
  5. Step 5: Solve for x
    x = 437,882,979,646.10/672,672.70
  6. Step 6: Final answer
    x = 650,959.94

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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.