Home / 788,672.90-1,182,750.15-289,972.10

Finding the Fourth Proportional to 788,672.90, 1,182,750.15 and 289,972.10

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Solution

The fourth proportional to 788,672.90, 1,182,750.15 and 289,972.10 is: 434,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,672.90 : 1,182,750.15 = 289,972.10 : x
  2. Step 2: Convert to fraction form
    788,672.90/1,182,750.15 = 289,972.10/x
  3. Step 3: Cross multiply
    788,672.90x = 1,182,750.15 × 289,972.10
  4. Step 4: Simplify right side
    788,672.90x = 342,964,544,770.82
  5. Step 5: Solve for x
    x = 342,964,544,770.82/788,672.90
  6. Step 6: Final answer
    x = 434,862.85

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1.5x scale

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.