Home / 745,029.60-1,117,136.16-295,294.92

Finding the Fourth Proportional to 745,029.60, 1,117,136.16 and 295,294.92

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Solution

The fourth proportional to 745,029.60, 1,117,136.16 and 295,294.92 is: 442,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,029.60 : 1,117,136.16 = 295,294.92 : x
  2. Step 2: Convert to fraction form
    745,029.60/1,117,136.16 = 295,294.92/x
  3. Step 3: Cross multiply
    745,029.60x = 1,117,136.16 × 295,294.92
  4. Step 4: Simplify right side
    745,029.60x = 329,884,632,996.31
  5. Step 5: Solve for x
    x = 329,884,632,996.31/745,029.60
  6. Step 6: Final answer
    x = 442,780.57

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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.