Home / 818,525.92-1,129,577.78-474,387.29

Finding the Fourth Proportional to 818,525.92, 1,129,577.78 and 474,387.29

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Solution

The fourth proportional to 818,525.92, 1,129,577.78 and 474,387.29 is: 654,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,525.92 : 1,129,577.78 = 474,387.29 : x
  2. Step 2: Convert to fraction form
    818,525.92/1,129,577.78 = 474,387.29/x
  3. Step 3: Cross multiply
    818,525.92x = 1,129,577.78 × 474,387.29
  4. Step 4: Simplify right side
    818,525.92x = 535,857,341,898.42
  5. Step 5: Solve for x
    x = 535,857,341,898.42/818,525.92
  6. Step 6: Final answer
    x = 654,661.42

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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.