Home / 749,780.04-1,124,716.79-300,442.52

Finding the Fourth Proportional to 749,780.04, 1,124,716.79 and 300,442.52

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Solution

The fourth proportional to 749,780.04, 1,124,716.79 and 300,442.52 is: 450,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,780.04 : 1,124,716.79 = 300,442.52 : x
  2. Step 2: Convert to fraction form
    749,780.04/1,124,716.79 = 300,442.52/x
  3. Step 3: Cross multiply
    749,780.04x = 1,124,716.79 × 300,442.52
  4. Step 4: Simplify right side
    749,780.04x = 337,912,739,548.11
  5. Step 5: Solve for x
    x = 337,912,739,548.11/749,780.04
  6. Step 6: Final answer
    x = 450,682.50

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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.