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Finding the Fourth Proportional to 442,401.47, 660,372.51 and 379,625.01

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Solution

The fourth proportional to 442,401.47, 660,372.51 and 379,625.01 is: 566,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,401.47 : 660,372.51 = 379,625.01 : x
  2. Step 2: Convert to fraction form
    442,401.47/660,372.51 = 379,625.01/x
  3. Step 3: Cross multiply
    442,401.47x = 660,372.51 × 379,625.01
  4. Step 4: Simplify right side
    442,401.47x = 250,693,920,712.48
  5. Step 5: Solve for x
    x = 250,693,920,712.48/442,401.47
  6. Step 6: Final answer
    x = 566,666.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.