Home / 743,263.80-1,025,847.89-484,691.85

Finding the Fourth Proportional to 743,263.80, 1,025,847.89 and 484,691.85

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Solution

The fourth proportional to 743,263.80, 1,025,847.89 and 484,691.85 is: 668,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,263.80 : 1,025,847.89 = 484,691.85 : x
  2. Step 2: Convert to fraction form
    743,263.80/1,025,847.89 = 484,691.85/x
  3. Step 3: Cross multiply
    743,263.80x = 1,025,847.89 × 484,691.85
  4. Step 4: Simplify right side
    743,263.80x = 497,220,109,199.24
  5. Step 5: Solve for x
    x = 497,220,109,199.24/743,263.80
  6. Step 6: Final answer
    x = 668,968.55

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1.5x scale

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.