Home / 787,592.39-1,087,013.14-456,401.88

Finding the Fourth Proportional to 787,592.39, 1,087,013.14 and 456,401.88

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Solution

The fourth proportional to 787,592.39, 1,087,013.14 and 456,401.88 is: 629,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,592.39 : 1,087,013.14 = 456,401.88 : x
  2. Step 2: Convert to fraction form
    787,592.39/1,087,013.14 = 456,401.88/x
  3. Step 3: Cross multiply
    787,592.39x = 1,087,013.14 × 456,401.88
  4. Step 4: Simplify right side
    787,592.39x = 496,114,839,539.70
  5. Step 5: Solve for x
    x = 496,114,839,539.70/787,592.39
  6. Step 6: Final answer
    x = 629,913.20

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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.