Home / 979,125.84-1,468,758.96-409,934.16

Finding the Fourth Proportional to 979,125.84, 1,468,758.96 and 409,934.16

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Solution

The fourth proportional to 979,125.84, 1,468,758.96 and 409,934.16 is: 614,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,125.84 : 1,468,758.96 = 409,934.16 : x
  2. Step 2: Convert to fraction form
    979,125.84/1,468,758.96 = 409,934.16/x
  3. Step 3: Cross multiply
    979,125.84x = 1,468,758.96 × 409,934.16
  4. Step 4: Simplify right side
    979,125.84x = 602,094,470,510.07
  5. Step 5: Solve for x
    x = 602,094,470,510.07/979,125.84
  6. Step 6: Final answer
    x = 614,930.63

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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.