Home / 908,699.40-1,361,882.70-553,336.20

Finding the Fourth Proportional to 908,699.40, 1,361,882.70 and 553,336.20

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Solution

The fourth proportional to 908,699.40, 1,361,882.70 and 553,336.20 is: 829,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,699.40 : 1,361,882.70 = 553,336.20 : x
  2. Step 2: Convert to fraction form
    908,699.40/1,361,882.70 = 553,336.20/x
  3. Step 3: Cross multiply
    908,699.40x = 1,361,882.70 × 553,336.20
  4. Step 4: Simplify right side
    908,699.40x = 753,578,998,063.74
  5. Step 5: Solve for x
    x = 753,578,998,063.74/908,699.40
  6. Step 6: Final answer
    x = 829,294.04

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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.