Home / 831,082.80-1,146,995.28-468,576.48

Finding the Fourth Proportional to 831,082.80, 1,146,995.28 and 468,576.48

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Solution

The fourth proportional to 831,082.80, 1,146,995.28 and 468,576.48 is: 646,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,082.80 : 1,146,995.28 = 468,576.48 : x
  2. Step 2: Convert to fraction form
    831,082.80/1,146,995.28 = 468,576.48/x
  3. Step 3: Cross multiply
    831,082.80x = 1,146,995.28 × 468,576.48
  4. Step 4: Simplify right side
    831,082.80x = 537,455,010,879.01
  5. Step 5: Solve for x
    x = 537,455,010,879.01/831,082.80
  6. Step 6: Final answer
    x = 646,692.50

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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.