Home / 852,117.70-1,278,176.55-537,967.30

Finding the Fourth Proportional to 852,117.70, 1,278,176.55 and 537,967.30

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Solution

The fourth proportional to 852,117.70, 1,278,176.55 and 537,967.30 is: 806,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,117.70 : 1,278,176.55 = 537,967.30 : x
  2. Step 2: Convert to fraction form
    852,117.70/1,278,176.55 = 537,967.30/x
  3. Step 3: Cross multiply
    852,117.70x = 1,278,176.55 × 537,967.30
  4. Step 4: Simplify right side
    852,117.70x = 687,617,187,526.82
  5. Step 5: Solve for x
    x = 687,617,187,526.82/852,117.70
  6. Step 6: Final answer
    x = 806,950.95

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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.