Home / 745,982.17-1,118,972.23-346,404.44

Finding the Fourth Proportional to 745,982.17, 1,118,972.23 and 346,404.44

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Solution

The fourth proportional to 745,982.17, 1,118,972.23 and 346,404.44 is: 519,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,982.17 : 1,118,972.23 = 346,404.44 : x
  2. Step 2: Convert to fraction form
    745,982.17/1,118,972.23 = 346,404.44/x
  3. Step 3: Cross multiply
    745,982.17x = 1,118,972.23 × 346,404.44
  4. Step 4: Simplify right side
    745,982.17x = 387,616,948,708.70
  5. Step 5: Solve for x
    x = 387,616,948,708.70/745,982.17
  6. Step 6: Final answer
    x = 519,606.18

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1.5x scale

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.