Home / 749,422.35-1,124,280.99-216,947.79

Finding the Fourth Proportional to 749,422.35, 1,124,280.99 and 216,947.79

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Solution

The fourth proportional to 749,422.35, 1,124,280.99 and 216,947.79 is: 325,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,422.35 : 1,124,280.99 = 216,947.79 : x
  2. Step 2: Convert to fraction form
    749,422.35/1,124,280.99 = 216,947.79/x
  3. Step 3: Cross multiply
    749,422.35x = 1,124,280.99 × 216,947.79
  4. Step 4: Simplify right side
    749,422.35x = 243,910,276,119.51
  5. Step 5: Solve for x
    x = 243,910,276,119.51/749,422.35
  6. Step 6: Final answer
    x = 325,464.37

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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.