Home / 726,407.28-1,088,887.86-346,884.30

Finding the Fourth Proportional to 726,407.28, 1,088,887.86 and 346,884.30

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Solution

The fourth proportional to 726,407.28, 1,088,887.86 and 346,884.30 is: 519,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,407.28 : 1,088,887.86 = 346,884.30 : x
  2. Step 2: Convert to fraction form
    726,407.28/1,088,887.86 = 346,884.30/x
  3. Step 3: Cross multiply
    726,407.28x = 1,088,887.86 × 346,884.30
  4. Step 4: Simplify right side
    726,407.28x = 377,718,103,094.60
  5. Step 5: Solve for x
    x = 377,718,103,094.60/726,407.28
  6. Step 6: Final answer
    x = 519,981.16

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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.