Home / 675,036.37-1,012,555.56-275,677.18

Finding the Fourth Proportional to 675,036.37, 1,012,555.56 and 275,677.18

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Solution

The fourth proportional to 675,036.37, 1,012,555.56 and 275,677.18 is: 413,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,036.37 : 1,012,555.56 = 275,677.18 : x
  2. Step 2: Convert to fraction form
    675,036.37/1,012,555.56 = 275,677.18/x
  3. Step 3: Cross multiply
    675,036.37x = 1,012,555.56 × 275,677.18
  4. Step 4: Simplify right side
    675,036.37x = 279,138,461,374.12
  5. Step 5: Solve for x
    x = 279,138,461,374.12/675,036.37
  6. Step 6: Final answer
    x = 413,516.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.