Home / 752,502.83-1,128,926.67-326,110.23

Finding the Fourth Proportional to 752,502.83, 1,128,926.67 and 326,110.23

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Solution

The fourth proportional to 752,502.83, 1,128,926.67 and 326,110.23 is: 489,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,502.83 : 1,128,926.67 = 326,110.23 : x
  2. Step 2: Convert to fraction form
    752,502.83/1,128,926.67 = 326,110.23/x
  3. Step 3: Cross multiply
    752,502.83x = 1,128,926.67 × 326,110.23
  4. Step 4: Simplify right side
    752,502.83x = 368,154,538,752.81
  5. Step 5: Solve for x
    x = 368,154,538,752.81/752,502.83
  6. Step 6: Final answer
    x = 489,240.07

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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.