Home / 752,507.84-1,128,934.15-326,115.25

Finding the Fourth Proportional to 752,507.84, 1,128,934.15 and 326,115.25

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Solution

The fourth proportional to 752,507.84, 1,128,934.15 and 326,115.25 is: 489,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,507.84 : 1,128,934.15 = 326,115.25 : x
  2. Step 2: Convert to fraction form
    752,507.84/1,128,934.15 = 326,115.25/x
  3. Step 3: Cross multiply
    752,507.84x = 1,128,934.15 × 326,115.25
  4. Step 4: Simplify right side
    752,507.84x = 368,162,638,923.16
  5. Step 5: Solve for x
    x = 368,162,638,923.16/752,507.84
  6. Step 6: Final answer
    x = 489,247.58

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Double scale
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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.