Home / 501,580.25-692,158.85-286,734.15

Finding the Fourth Proportional to 501,580.25, 692,158.85 and 286,734.15

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Solution

The fourth proportional to 501,580.25, 692,158.85 and 286,734.15 is: 395,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,580.25 : 692,158.85 = 286,734.15 : x
  2. Step 2: Convert to fraction form
    501,580.25/692,158.85 = 286,734.15/x
  3. Step 3: Cross multiply
    501,580.25x = 692,158.85 × 286,734.15
  4. Step 4: Simplify right side
    501,580.25x = 198,465,580,301.57
  5. Step 5: Solve for x
    x = 198,465,580,301.57/501,580.25
  6. Step 6: Final answer
    x = 395,680.61

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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.