Home / 840,747.50-1,160,220.66-458,767.70

Finding the Fourth Proportional to 840,747.50, 1,160,220.66 and 458,767.70

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Solution

The fourth proportional to 840,747.50, 1,160,220.66 and 458,767.70 is: 633,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,747.50 : 1,160,220.66 = 458,767.70 : x
  2. Step 2: Convert to fraction form
    840,747.50/1,160,220.66 = 458,767.70/x
  3. Step 3: Cross multiply
    840,747.50x = 1,160,220.66 × 458,767.70
  4. Step 4: Simplify right side
    840,747.50x = 532,271,763,090.60
  5. Step 5: Solve for x
    x = 532,271,763,090.60/840,747.50
  6. Step 6: Final answer
    x = 633,093.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.