Home / 786,084.41-1,084,834.97-442,028.65

Finding the Fourth Proportional to 786,084.41, 1,084,834.97 and 442,028.65

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Solution

The fourth proportional to 786,084.41, 1,084,834.97 and 442,028.65 is: 610,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,084.41 : 1,084,834.97 = 442,028.65 : x
  2. Step 2: Convert to fraction form
    786,084.41/1,084,834.97 = 442,028.65/x
  3. Step 3: Cross multiply
    786,084.41x = 1,084,834.97 × 442,028.65
  4. Step 4: Simplify right side
    786,084.41x = 479,528,132,339.66
  5. Step 5: Solve for x
    x = 479,528,132,339.66/786,084.41
  6. Step 6: Final answer
    x = 610,021.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.