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Finding the Fourth Proportional to 606,677.60, 910,210.80 and 407,223.20

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Solution

The fourth proportional to 606,677.60, 910,210.80 and 407,223.20 is: 610,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,677.60 : 910,210.80 = 407,223.20 : x
  2. Step 2: Convert to fraction form
    606,677.60/910,210.80 = 407,223.20/x
  3. Step 3: Cross multiply
    606,677.60x = 910,210.80 × 407,223.20
  4. Step 4: Simplify right side
    606,677.60x = 370,658,954,650.56
  5. Step 5: Solve for x
    x = 370,658,954,650.56/606,677.60
  6. Step 6: Final answer
    x = 610,965.29

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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.