Home / 944,298.78-1,303,132.38-514,578.78

Finding the Fourth Proportional to 944,298.78, 1,303,132.38 and 514,578.78

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Solution

The fourth proportional to 944,298.78, 1,303,132.38 and 514,578.78 is: 710,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,298.78 : 1,303,132.38 = 514,578.78 : x
  2. Step 2: Convert to fraction form
    944,298.78/1,303,132.38 = 514,578.78/x
  3. Step 3: Cross multiply
    944,298.78x = 1,303,132.38 × 514,578.78
  4. Step 4: Simplify right side
    944,298.78x = 670,564,270,278.90
  5. Step 5: Solve for x
    x = 670,564,270,278.90/944,298.78
  6. Step 6: Final answer
    x = 710,118.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.