Home / 831,318.40-1,146,944.32-468,696.96

Finding the Fourth Proportional to 831,318.40, 1,146,944.32 and 468,696.96

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Solution

The fourth proportional to 831,318.40, 1,146,944.32 and 468,696.96 is: 646,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,318.40 : 1,146,944.32 = 468,696.96 : x
  2. Step 2: Convert to fraction form
    831,318.40/1,146,944.32 = 468,696.96/x
  3. Step 3: Cross multiply
    831,318.40x = 1,146,944.32 × 468,696.96
  4. Step 4: Simplify right side
    831,318.40x = 537,569,316,073.27
  5. Step 5: Solve for x
    x = 537,569,316,073.27/831,318.40
  6. Step 6: Final answer
    x = 646,646.72

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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.