Home / 729,718.71-1,094,210.61-243,228.56

Finding the Fourth Proportional to 729,718.71, 1,094,210.61 and 243,228.56

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Solution

The fourth proportional to 729,718.71, 1,094,210.61 and 243,228.56 is: 364,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,718.71 : 1,094,210.61 = 243,228.56 : x
  2. Step 2: Convert to fraction form
    729,718.71/1,094,210.61 = 243,228.56/x
  3. Step 3: Cross multiply
    729,718.71x = 1,094,210.61 × 243,228.56
  4. Step 4: Simplify right side
    729,718.71x = 266,143,264,623.86
  5. Step 5: Solve for x
    x = 266,143,264,623.86/729,718.71
  6. Step 6: Final answer
    x = 364,720.35

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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.