Home / 743,152.74-1,025,549.88-403,618.56

Finding the Fourth Proportional to 743,152.74, 1,025,549.88 and 403,618.56

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Solution

The fourth proportional to 743,152.74, 1,025,549.88 and 403,618.56 is: 556,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,152.74 : 1,025,549.88 = 403,618.56 : x
  2. Step 2: Convert to fraction form
    743,152.74/1,025,549.88 = 403,618.56/x
  3. Step 3: Cross multiply
    743,152.74x = 1,025,549.88 × 403,618.56
  4. Step 4: Simplify right side
    743,152.74x = 413,930,965,773.77
  5. Step 5: Solve for x
    x = 413,930,965,773.77/743,152.74
  6. Step 6: Final answer
    x = 556,993.12

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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.