Home / 680,529.30-1,020,793.95-477,575.70

Finding the Fourth Proportional to 680,529.30, 1,020,793.95 and 477,575.70

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Solution

The fourth proportional to 680,529.30, 1,020,793.95 and 477,575.70 is: 716,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,529.30 : 1,020,793.95 = 477,575.70 : x
  2. Step 2: Convert to fraction form
    680,529.30/1,020,793.95 = 477,575.70/x
  3. Step 3: Cross multiply
    680,529.30x = 1,020,793.95 × 477,575.70
  4. Step 4: Simplify right side
    680,529.30x = 487,506,385,227.02
  5. Step 5: Solve for x
    x = 487,506,385,227.02/680,529.30
  6. Step 6: Final answer
    x = 716,363.55

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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.