Home / 913,424.20-1,370,330.70-282,401.80

Finding the Fourth Proportional to 913,424.20, 1,370,330.70 and 282,401.80

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Solution

The fourth proportional to 913,424.20, 1,370,330.70 and 282,401.80 is: 423,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,424.20 : 1,370,330.70 = 282,401.80 : x
  2. Step 2: Convert to fraction form
    913,424.20/1,370,330.70 = 282,401.80/x
  3. Step 3: Cross multiply
    913,424.20x = 1,370,330.70 × 282,401.80
  4. Step 4: Simplify right side
    913,424.20x = 386,983,856,275.26
  5. Step 5: Solve for x
    x = 386,983,856,275.26/913,424.20
  6. Step 6: Final answer
    x = 423,662.80

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Double scale
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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.