Home / 908,732.40-1,360,474.20-554,438.40

Finding the Fourth Proportional to 908,732.40, 1,360,474.20 and 554,438.40

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Solution

The fourth proportional to 908,732.40, 1,360,474.20 and 554,438.40 is: 830,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,732.40 : 1,360,474.20 = 554,438.40 : x
  2. Step 2: Convert to fraction form
    908,732.40/1,360,474.20 = 554,438.40/x
  3. Step 3: Cross multiply
    908,732.40x = 1,360,474.20 × 554,438.40
  4. Step 4: Simplify right side
    908,732.40x = 754,299,138,689.28
  5. Step 5: Solve for x
    x = 754,299,138,689.28/908,732.40
  6. Step 6: Final answer
    x = 830,056.39

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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.