Home / 808,734.30-1,213,101.45-745,748.70

Finding the Fourth Proportional to 808,734.30, 1,213,101.45 and 745,748.70

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Solution

The fourth proportional to 808,734.30, 1,213,101.45 and 745,748.70 is: 1,118,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,734.30 : 1,213,101.45 = 745,748.70 : x
  2. Step 2: Convert to fraction form
    808,734.30/1,213,101.45 = 745,748.70/x
  3. Step 3: Cross multiply
    808,734.30x = 1,213,101.45 × 745,748.70
  4. Step 4: Simplify right side
    808,734.30x = 904,668,829,305.62
  5. Step 5: Solve for x
    x = 904,668,829,305.62/808,734.30
  6. Step 6: Final answer
    x = 1,118,623.05

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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.