Home / 460,742.71-690,828.95-179,929.75

Finding the Fourth Proportional to 460,742.71, 690,828.95 and 179,929.75

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Solution

The fourth proportional to 460,742.71, 690,828.95 and 179,929.75 is: 269,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,742.71 : 690,828.95 = 179,929.75 : x
  2. Step 2: Convert to fraction form
    460,742.71/690,828.95 = 179,929.75/x
  3. Step 3: Cross multiply
    460,742.71x = 690,828.95 × 179,929.75
  4. Step 4: Simplify right side
    460,742.71x = 124,300,679,366.61
  5. Step 5: Solve for x
    x = 124,300,679,366.61/460,742.71
  6. Step 6: Final answer
    x = 269,783.28

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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.