Home / 831,248.30-1,147,099.64-468,668.94

Finding the Fourth Proportional to 831,248.30, 1,147,099.64 and 468,668.94

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Solution

The fourth proportional to 831,248.30, 1,147,099.64 and 468,668.94 is: 646,750.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,248.30 : 1,147,099.64 = 468,668.94 : x
  2. Step 2: Convert to fraction form
    831,248.30/1,147,099.64 = 468,668.94/x
  3. Step 3: Cross multiply
    831,248.30x = 1,147,099.64 × 468,668.94
  4. Step 4: Simplify right side
    831,248.30x = 537,609,972,353.18
  5. Step 5: Solve for x
    x = 537,609,972,353.18/831,248.30
  6. Step 6: Final answer
    x = 646,750.16

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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.