Home / 793,407.28-1,190,108.32-287,967.59

Finding the Fourth Proportional to 793,407.28, 1,190,108.32 and 287,967.59

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Solution

The fourth proportional to 793,407.28, 1,190,108.32 and 287,967.59 is: 431,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,407.28 : 1,190,108.32 = 287,967.59 : x
  2. Step 2: Convert to fraction form
    793,407.28/1,190,108.32 = 287,967.59/x
  3. Step 3: Cross multiply
    793,407.28x = 1,190,108.32 × 287,967.59
  4. Step 4: Simplify right side
    793,407.28x = 342,712,617,358.97
  5. Step 5: Solve for x
    x = 342,712,617,358.97/793,407.28
  6. Step 6: Final answer
    x = 431,950.43

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Double scale
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1.5x scale

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.