Home / 1,330,335.70-1,995,503.55-488,778.10

Finding the Fourth Proportional to 1,330,335.70, 1,995,503.55 and 488,778.10

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Solution

The fourth proportional to 1,330,335.70, 1,995,503.55 and 488,778.10 is: 733,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,335.70 : 1,995,503.55 = 488,778.10 : x
  2. Step 2: Convert to fraction form
    1,330,335.70/1,995,503.55 = 488,778.10/x
  3. Step 3: Cross multiply
    1,330,335.70x = 1,995,503.55 × 488,778.10
  4. Step 4: Simplify right side
    1,330,335.70x = 975,358,433,712.26
  5. Step 5: Solve for x
    x = 975,358,433,712.26/1,330,335.70
  6. Step 6: Final answer
    x = 733,167.15

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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.