Home / 915,601.20-1,373,401.80-467,703.60

Finding the Fourth Proportional to 915,601.20, 1,373,401.80 and 467,703.60

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Solution

The fourth proportional to 915,601.20, 1,373,401.80 and 467,703.60 is: 701,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,601.20 : 1,373,401.80 = 467,703.60 : x
  2. Step 2: Convert to fraction form
    915,601.20/1,373,401.80 = 467,703.60/x
  3. Step 3: Cross multiply
    915,601.20x = 1,373,401.80 × 467,703.60
  4. Step 4: Simplify right side
    915,601.20x = 642,344,966,106.48
  5. Step 5: Solve for x
    x = 642,344,966,106.48/915,601.20
  6. Step 6: Final answer
    x = 701,555.40

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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.