Home / 790,695.68-1,091,155.42-428,112.04

Finding the Fourth Proportional to 790,695.68, 1,091,155.42 and 428,112.04

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Solution

The fourth proportional to 790,695.68, 1,091,155.42 and 428,112.04 is: 590,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,695.68 : 1,091,155.42 = 428,112.04 : x
  2. Step 2: Convert to fraction form
    790,695.68/1,091,155.42 = 428,112.04/x
  3. Step 3: Cross multiply
    790,695.68x = 1,091,155.42 × 428,112.04
  4. Step 4: Simplify right side
    790,695.68x = 467,136,772,813.26
  5. Step 5: Solve for x
    x = 467,136,772,813.26/790,695.68
  6. Step 6: Final answer
    x = 590,792.11

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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.