Home / 839,265.39-1,259,995.59-498,331.35

Finding the Fourth Proportional to 839,265.39, 1,259,995.59 and 498,331.35

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Solution

The fourth proportional to 839,265.39, 1,259,995.59 and 498,331.35 is: 748,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,265.39 : 1,259,995.59 = 498,331.35 : x
  2. Step 2: Convert to fraction form
    839,265.39/1,259,995.59 = 498,331.35/x
  3. Step 3: Cross multiply
    839,265.39x = 1,259,995.59 × 498,331.35
  4. Step 4: Simplify right side
    839,265.39x = 627,895,303,358.75
  5. Step 5: Solve for x
    x = 627,895,303,358.75/839,265.39
  6. Step 6: Final answer
    x = 748,148.69

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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.