Home / 833,242.95-1,149,414.87-678,360.85

Finding the Fourth Proportional to 833,242.95, 1,149,414.87 and 678,360.85

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Solution

The fourth proportional to 833,242.95, 1,149,414.87 and 678,360.85 is: 935,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,242.95 : 1,149,414.87 = 678,360.85 : x
  2. Step 2: Convert to fraction form
    833,242.95/1,149,414.87 = 678,360.85/x
  3. Step 3: Cross multiply
    833,242.95x = 1,149,414.87 × 678,360.85
  4. Step 4: Simplify right side
    833,242.95x = 779,718,045,529.45
  5. Step 5: Solve for x
    x = 779,718,045,529.45/833,242.95
  6. Step 6: Final answer
    x = 935,763.15

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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.