Home / 513,546.30-770,319.45-335,087.10

Finding the Fourth Proportional to 513,546.30, 770,319.45 and 335,087.10

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Solution

The fourth proportional to 513,546.30, 770,319.45 and 335,087.10 is: 502,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,546.30 : 770,319.45 = 335,087.10 : x
  2. Step 2: Convert to fraction form
    513,546.30/770,319.45 = 335,087.10/x
  3. Step 3: Cross multiply
    513,546.30x = 770,319.45 × 335,087.10
  4. Step 4: Simplify right side
    513,546.30x = 258,124,110,574.10
  5. Step 5: Solve for x
    x = 258,124,110,574.10/513,546.30
  6. Step 6: Final answer
    x = 502,630.65

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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.