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Finding the Fourth Proportional to 606,724.04, 909,348.22 and 429,282.28

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Solution

The fourth proportional to 606,724.04, 909,348.22 and 429,282.28 is: 643,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,724.04 : 909,348.22 = 429,282.28 : x
  2. Step 2: Convert to fraction form
    606,724.04/909,348.22 = 429,282.28/x
  3. Step 3: Cross multiply
    606,724.04x = 909,348.22 × 429,282.28
  4. Step 4: Simplify right side
    606,724.04x = 390,367,077,195.54
  5. Step 5: Solve for x
    x = 390,367,077,195.54/606,724.04
  6. Step 6: Final answer
    x = 643,401.37

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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.