Home / 834,918.41-1,251,381.16-455,934.55

Finding the Fourth Proportional to 834,918.41, 1,251,381.16 and 455,934.55

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Solution

The fourth proportional to 834,918.41, 1,251,381.16 and 455,934.55 is: 683,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,918.41 : 1,251,381.16 = 455,934.55 : x
  2. Step 2: Convert to fraction form
    834,918.41/1,251,381.16 = 455,934.55/x
  3. Step 3: Cross multiply
    834,918.41x = 1,251,381.16 × 455,934.55
  4. Step 4: Simplify right side
    834,918.41x = 570,547,906,063.08
  5. Step 5: Solve for x
    x = 570,547,906,063.08/834,918.41
  6. Step 6: Final answer
    x = 683,357.68

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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.