Home / 788,280.95-1,087,849.50-482,351.85

Finding the Fourth Proportional to 788,280.95, 1,087,849.50 and 482,351.85

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Solution

The fourth proportional to 788,280.95, 1,087,849.50 and 482,351.85 is: 665,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,280.95 : 1,087,849.50 = 482,351.85 : x
  2. Step 2: Convert to fraction form
    788,280.95/1,087,849.50 = 482,351.85/x
  3. Step 3: Cross multiply
    788,280.95x = 1,087,849.50 × 482,351.85
  4. Step 4: Simplify right side
    788,280.95x = 524,726,218,846.58
  5. Step 5: Solve for x
    x = 524,726,218,846.58/788,280.95
  6. Step 6: Final answer
    x = 665,658.89

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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.