Home / 729,310.48-1,006,407.52-407,041.34

Finding the Fourth Proportional to 729,310.48, 1,006,407.52 and 407,041.34

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Solution

The fourth proportional to 729,310.48, 1,006,407.52 and 407,041.34 is: 561,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,310.48 : 1,006,407.52 = 407,041.34 : x
  2. Step 2: Convert to fraction form
    729,310.48/1,006,407.52 = 407,041.34/x
  3. Step 3: Cross multiply
    729,310.48x = 1,006,407.52 × 407,041.34
  4. Step 4: Simplify right side
    729,310.48x = 409,649,465,526.88
  5. Step 5: Solve for x
    x = 409,649,465,526.88/729,310.48
  6. Step 6: Final answer
    x = 561,694.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.