Home / 831,232.76-1,147,078.26-468,653.45

Finding the Fourth Proportional to 831,232.76, 1,147,078.26 and 468,653.45

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Solution

The fourth proportional to 831,232.76, 1,147,078.26 and 468,653.45 is: 646,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,232.76 : 1,147,078.26 = 468,653.45 : x
  2. Step 2: Convert to fraction form
    831,232.76/1,147,078.26 = 468,653.45/x
  3. Step 3: Cross multiply
    831,232.76x = 1,147,078.26 × 468,653.45
  4. Step 4: Simplify right side
    831,232.76x = 537,582,178,233.61
  5. Step 5: Solve for x
    x = 537,582,178,233.61/831,232.76
  6. Step 6: Final answer
    x = 646,728.82

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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.