Home / 485,828.64-670,444.54-270,963.18

Finding the Fourth Proportional to 485,828.64, 670,444.54 and 270,963.18

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Solution

The fourth proportional to 485,828.64, 670,444.54 and 270,963.18 is: 373,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,828.64 : 670,444.54 = 270,963.18 : x
  2. Step 2: Convert to fraction form
    485,828.64/670,444.54 = 270,963.18/x
  3. Step 3: Cross multiply
    485,828.64x = 670,444.54 × 270,963.18
  4. Step 4: Simplify right side
    485,828.64x = 181,665,784,572.04
  5. Step 5: Solve for x
    x = 181,665,784,572.04/485,828.64
  6. Step 6: Final answer
    x = 373,929.76

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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.