Home / 745,877.20-1,118,159.70-446,476.90

Finding the Fourth Proportional to 745,877.20, 1,118,159.70 and 446,476.90

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Solution

The fourth proportional to 745,877.20, 1,118,159.70 and 446,476.90 is: 669,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,877.20 : 1,118,159.70 = 446,476.90 : x
  2. Step 2: Convert to fraction form
    745,877.20/1,118,159.70 = 446,476.90/x
  3. Step 3: Cross multiply
    745,877.20x = 1,118,159.70 × 446,476.90
  4. Step 4: Simplify right side
    745,877.20x = 499,232,476,560.93
  5. Step 5: Solve for x
    x = 499,232,476,560.93/745,877.20
  6. Step 6: Final answer
    x = 669,322.61

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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.