Home / 913,308.91-1,369,802.97-282,228.19

Finding the Fourth Proportional to 913,308.91, 1,369,802.97 and 282,228.19

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Solution

The fourth proportional to 913,308.91, 1,369,802.97 and 282,228.19 is: 423,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,308.91 : 1,369,802.97 = 282,228.19 : x
  2. Step 2: Convert to fraction form
    913,308.91/1,369,802.97 = 282,228.19/x
  3. Step 3: Cross multiply
    913,308.91x = 1,369,802.97 × 282,228.19
  4. Step 4: Simplify right side
    913,308.91x = 386,597,006,030.71
  5. Step 5: Solve for x
    x = 386,597,006,030.71/913,308.91
  6. Step 6: Final answer
    x = 423,292.71

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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.