Home / 913,286.79-1,369,901.93-433,859.71

Finding the Fourth Proportional to 913,286.79, 1,369,901.93 and 433,859.71

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Solution

The fourth proportional to 913,286.79, 1,369,901.93 and 433,859.71 is: 650,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,286.79 : 1,369,901.93 = 433,859.71 : x
  2. Step 2: Convert to fraction form
    913,286.79/1,369,901.93 = 433,859.71/x
  3. Step 3: Cross multiply
    913,286.79x = 1,369,901.93 × 433,859.71
  4. Step 4: Simplify right side
    913,286.79x = 594,345,251,738.14
  5. Step 5: Solve for x
    x = 594,345,251,738.14/913,286.79
  6. Step 6: Final answer
    x = 650,776.14

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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.