Home / 831,248.30-1,147,099.65-468,668.95

Finding the Fourth Proportional to 831,248.30, 1,147,099.65 and 468,668.95

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Solution

The fourth proportional to 831,248.30, 1,147,099.65 and 468,668.95 is: 646,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,248.30 : 1,147,099.65 = 468,668.95 : x
  2. Step 2: Convert to fraction form
    831,248.30/1,147,099.65 = 468,668.95/x
  3. Step 3: Cross multiply
    831,248.30x = 1,147,099.65 × 468,668.95
  4. Step 4: Simplify right side
    831,248.30x = 537,609,988,510.87
  5. Step 5: Solve for x
    x = 537,609,988,510.87/831,248.30
  6. Step 6: Final answer
    x = 646,750.18

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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.