Home / 840,275.47-1,259,767.13-435,033.26

Finding the Fourth Proportional to 840,275.47, 1,259,767.13 and 435,033.26

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Solution

The fourth proportional to 840,275.47, 1,259,767.13 and 435,033.26 is: 652,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,275.47 : 1,259,767.13 = 435,033.26 : x
  2. Step 2: Convert to fraction form
    840,275.47/1,259,767.13 = 435,033.26/x
  3. Step 3: Cross multiply
    840,275.47x = 1,259,767.13 × 435,033.26
  4. Step 4: Simplify right side
    840,275.47x = 548,040,596,558.84
  5. Step 5: Solve for x
    x = 548,040,596,558.84/840,275.47
  6. Step 6: Final answer
    x = 652,215.39

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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.