Home / 891,707.66-1,337,280.51-292,529.19

Finding the Fourth Proportional to 891,707.66, 1,337,280.51 and 292,529.19

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Solution

The fourth proportional to 891,707.66, 1,337,280.51 and 292,529.19 is: 438,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,707.66 : 1,337,280.51 = 292,529.19 : x
  2. Step 2: Convert to fraction form
    891,707.66/1,337,280.51 = 292,529.19/x
  3. Step 3: Cross multiply
    891,707.66x = 1,337,280.51 × 292,529.19
  4. Step 4: Simplify right side
    891,707.66x = 391,193,584,393.09
  5. Step 5: Solve for x
    x = 391,193,584,393.09/891,707.66
  6. Step 6: Final answer
    x = 438,701.61

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Double scale
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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.