Home / 765,239.94-1,146,809.97-484,254.18

Finding the Fourth Proportional to 765,239.94, 1,146,809.97 and 484,254.18

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Solution

The fourth proportional to 765,239.94, 1,146,809.97 and 484,254.18 is: 725,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,239.94 : 1,146,809.97 = 484,254.18 : x
  2. Step 2: Convert to fraction form
    765,239.94/1,146,809.97 = 484,254.18/x
  3. Step 3: Cross multiply
    765,239.94x = 1,146,809.97 × 484,254.18
  4. Step 4: Simplify right side
    765,239.94x = 555,347,521,638.18
  5. Step 5: Solve for x
    x = 555,347,521,638.18/765,239.94
  6. Step 6: Final answer
    x = 725,716.85

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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.