Home / 831,987.34-1,148,119.16-469,444.94

Finding the Fourth Proportional to 831,987.34, 1,148,119.16 and 469,444.94

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Solution

The fourth proportional to 831,987.34, 1,148,119.16 and 469,444.94 is: 647,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,987.34 : 1,148,119.16 = 469,444.94 : x
  2. Step 2: Convert to fraction form
    831,987.34/1,148,119.16 = 469,444.94/x
  3. Step 3: Cross multiply
    831,987.34x = 1,148,119.16 × 469,444.94
  4. Step 4: Simplify right side
    831,987.34x = 538,978,722,091.23
  5. Step 5: Solve for x
    x = 538,978,722,091.23/831,987.34
  6. Step 6: Final answer
    x = 647,820.82

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Double scale
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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.