Home / 913,463.11-1,370,325.95-282,426.13

Finding the Fourth Proportional to 913,463.11, 1,370,325.95 and 282,426.13

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Solution

The fourth proportional to 913,463.11, 1,370,325.95 and 282,426.13 is: 423,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,463.11 : 1,370,325.95 = 282,426.13 : x
  2. Step 2: Convert to fraction form
    913,463.11/1,370,325.95 = 282,426.13/x
  3. Step 3: Cross multiply
    913,463.11x = 1,370,325.95 × 282,426.13
  4. Step 4: Simplify right side
    913,463.11x = 387,015,854,897.07
  5. Step 5: Solve for x
    x = 387,015,854,897.07/913,463.11
  6. Step 6: Final answer
    x = 423,679.79

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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.