Home / 839,531.32-1,258,926.40-240,356.50

Finding the Fourth Proportional to 839,531.32, 1,258,926.40 and 240,356.50

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Solution

The fourth proportional to 839,531.32, 1,258,926.40 and 240,356.50 is: 360,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,531.32 : 1,258,926.40 = 240,356.50 : x
  2. Step 2: Convert to fraction form
    839,531.32/1,258,926.40 = 240,356.50/x
  3. Step 3: Cross multiply
    839,531.32x = 1,258,926.40 × 240,356.50
  4. Step 4: Simplify right side
    839,531.32x = 302,591,140,414.73
  5. Step 5: Solve for x
    x = 302,591,140,414.73/839,531.32
  6. Step 6: Final answer
    x = 360,428.65

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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.