Home / 908,409.90-1,359,990.45-554,115.90

Finding the Fourth Proportional to 908,409.90, 1,359,990.45 and 554,115.90

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Solution

The fourth proportional to 908,409.90, 1,359,990.45 and 554,115.90 is: 829,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,409.90 : 1,359,990.45 = 554,115.90 : x
  2. Step 2: Convert to fraction form
    908,409.90/1,359,990.45 = 554,115.90/x
  3. Step 3: Cross multiply
    908,409.90x = 1,359,990.45 × 554,115.90
  4. Step 4: Simplify right side
    908,409.90x = 753,592,332,193.16
  5. Step 5: Solve for x
    x = 753,592,332,193.16/908,409.90
  6. Step 6: Final answer
    x = 829,573.01

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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.