Home / 852,946.40-1,278,836.40-403,882.40

Finding the Fourth Proportional to 852,946.40, 1,278,836.40 and 403,882.40

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Solution

The fourth proportional to 852,946.40, 1,278,836.40 and 403,882.40 is: 605,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,946.40 : 1,278,836.40 = 403,882.40 : x
  2. Step 2: Convert to fraction form
    852,946.40/1,278,836.40 = 403,882.40/x
  3. Step 3: Cross multiply
    852,946.40x = 1,278,836.40 × 403,882.40
  4. Step 4: Simplify right side
    852,946.40x = 516,499,514,439.36
  5. Step 5: Solve for x
    x = 516,499,514,439.36/852,946.40
  6. Step 6: Final answer
    x = 605,547.45

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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.