Home / 880,145.29-1,320,423.87-272,901.65

Finding the Fourth Proportional to 880,145.29, 1,320,423.87 and 272,901.65

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Solution

The fourth proportional to 880,145.29, 1,320,423.87 and 272,901.65 is: 409,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,145.29 : 1,320,423.87 = 272,901.65 : x
  2. Step 2: Convert to fraction form
    880,145.29/1,320,423.87 = 272,901.65/x
  3. Step 3: Cross multiply
    880,145.29x = 1,320,423.87 × 272,901.65
  4. Step 4: Simplify right side
    880,145.29x = 360,345,852,822.39
  5. Step 5: Solve for x
    x = 360,345,852,822.39/880,145.29
  6. Step 6: Final answer
    x = 409,416.33

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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.