Home / 748,038.80-1,122,058.20-304,806.80

Finding the Fourth Proportional to 748,038.80, 1,122,058.20 and 304,806.80

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Solution

The fourth proportional to 748,038.80, 1,122,058.20 and 304,806.80 is: 457,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,038.80 : 1,122,058.20 = 304,806.80 : x
  2. Step 2: Convert to fraction form
    748,038.80/1,122,058.20 = 304,806.80/x
  3. Step 3: Cross multiply
    748,038.80x = 1,122,058.20 × 304,806.80
  4. Step 4: Simplify right side
    748,038.80x = 342,010,969,355.76
  5. Step 5: Solve for x
    x = 342,010,969,355.76/748,038.80
  6. Step 6: Final answer
    x = 457,210.20

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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.