Home / 812,883.31-1,121,549.91-468,692.18

Finding the Fourth Proportional to 812,883.31, 1,121,549.91 and 468,692.18

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Solution

The fourth proportional to 812,883.31, 1,121,549.91 and 468,692.18 is: 646,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,883.31 : 1,121,549.91 = 468,692.18 : x
  2. Step 2: Convert to fraction form
    812,883.31/1,121,549.91 = 468,692.18/x
  3. Step 3: Cross multiply
    812,883.31x = 1,121,549.91 × 468,692.18
  4. Step 4: Simplify right side
    812,883.31x = 525,661,672,296.70
  5. Step 5: Solve for x
    x = 525,661,672,296.70/812,883.31
  6. Step 6: Final answer
    x = 646,663.14

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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.