Home / 783,048.08-1,174,416.60-383,517.20

Finding the Fourth Proportional to 783,048.08, 1,174,416.60 and 383,517.20

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Solution

The fourth proportional to 783,048.08, 1,174,416.60 and 383,517.20 is: 575,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,048.08 : 1,174,416.60 = 383,517.20 : x
  2. Step 2: Convert to fraction form
    783,048.08/1,174,416.60 = 383,517.20/x
  3. Step 3: Cross multiply
    783,048.08x = 1,174,416.60 × 383,517.20
  4. Step 4: Simplify right side
    783,048.08x = 450,408,966,065.52
  5. Step 5: Solve for x
    x = 450,408,966,065.52/783,048.08
  6. Step 6: Final answer
    x = 575,199.63

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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.