Home / 839,200.40-1,259,898.20-498,266.22

Finding the Fourth Proportional to 839,200.40, 1,259,898.20 and 498,266.22

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Solution

The fourth proportional to 839,200.40, 1,259,898.20 and 498,266.22 is: 748,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,200.40 : 1,259,898.20 = 498,266.22 : x
  2. Step 2: Convert to fraction form
    839,200.40/1,259,898.20 = 498,266.22/x
  3. Step 3: Cross multiply
    839,200.40x = 1,259,898.20 × 498,266.22
  4. Step 4: Simplify right side
    839,200.40x = 627,764,711,207.47
  5. Step 5: Solve for x
    x = 627,764,711,207.47/839,200.40
  6. Step 6: Final answer
    x = 748,051.02

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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.