Home / 831,099.47-1,146,867.93-482,212.88

Finding the Fourth Proportional to 831,099.47, 1,146,867.93 and 482,212.88

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Solution

The fourth proportional to 831,099.47, 1,146,867.93 and 482,212.88 is: 665,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,099.47 : 1,146,867.93 = 482,212.88 : x
  2. Step 2: Convert to fraction form
    831,099.47/1,146,867.93 = 482,212.88/x
  3. Step 3: Cross multiply
    831,099.47x = 1,146,867.93 × 482,212.88
  4. Step 4: Simplify right side
    831,099.47x = 553,034,488,875.34
  5. Step 5: Solve for x
    x = 553,034,488,875.34/831,099.47
  6. Step 6: Final answer
    x = 665,425.15

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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.