Home / 1,205,335.20-1,808,002.80-306,775.20

Finding the Fourth Proportional to 1,205,335.20, 1,808,002.80 and 306,775.20

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Solution

The fourth proportional to 1,205,335.20, 1,808,002.80 and 306,775.20 is: 460,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,335.20 : 1,808,002.80 = 306,775.20 : x
  2. Step 2: Convert to fraction form
    1,205,335.20/1,808,002.80 = 306,775.20/x
  3. Step 3: Cross multiply
    1,205,335.20x = 1,808,002.80 × 306,775.20
  4. Step 4: Simplify right side
    1,205,335.20x = 554,650,420,570.56
  5. Step 5: Solve for x
    x = 554,650,420,570.56/1,205,335.20
  6. Step 6: Final answer
    x = 460,162.80

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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.