Home / 807,870.84-1,114,811.02-445,274.76

Finding the Fourth Proportional to 807,870.84, 1,114,811.02 and 445,274.76

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Solution

The fourth proportional to 807,870.84, 1,114,811.02 and 445,274.76 is: 614,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,870.84 : 1,114,811.02 = 445,274.76 : x
  2. Step 2: Convert to fraction form
    807,870.84/1,114,811.02 = 445,274.76/x
  3. Step 3: Cross multiply
    807,870.84x = 1,114,811.02 × 445,274.76
  4. Step 4: Simplify right side
    807,870.84x = 496,397,209,375.86
  5. Step 5: Solve for x
    x = 496,397,209,375.86/807,870.84
  6. Step 6: Final answer
    x = 614,451.20

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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.