Home / 631,184.12-946,784.58-210,460.20

Finding the Fourth Proportional to 631,184.12, 946,784.58 and 210,460.20

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Solution

The fourth proportional to 631,184.12, 946,784.58 and 210,460.20 is: 315,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,184.12 : 946,784.58 = 210,460.20 : x
  2. Step 2: Convert to fraction form
    631,184.12/946,784.58 = 210,460.20/x
  3. Step 3: Cross multiply
    631,184.12x = 946,784.58 × 210,460.20
  4. Step 4: Simplify right side
    631,184.12x = 199,260,472,063.72
  5. Step 5: Solve for x
    x = 199,260,472,063.72/631,184.12
  6. Step 6: Final answer
    x = 315,693.10

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Half scale
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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.