Home / 724,850.60-1,087,794.30-304,428.20

Finding the Fourth Proportional to 724,850.60, 1,087,794.30 and 304,428.20

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Solution

The fourth proportional to 724,850.60, 1,087,794.30 and 304,428.20 is: 456,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,850.60 : 1,087,794.30 = 304,428.20 : x
  2. Step 2: Convert to fraction form
    724,850.60/1,087,794.30 = 304,428.20/x
  3. Step 3: Cross multiply
    724,850.60x = 1,087,794.30 × 304,428.20
  4. Step 4: Simplify right side
    724,850.60x = 331,155,260,719.26
  5. Step 5: Solve for x
    x = 331,155,260,719.26/724,850.60
  6. Step 6: Final answer
    x = 456,860.02

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1.5x scale

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.