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Finding the Fourth Proportional to 631,980.32, 947,777.70 and 332,298.32

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Solution

The fourth proportional to 631,980.32, 947,777.70 and 332,298.32 is: 498,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,980.32 : 947,777.70 = 332,298.32 : x
  2. Step 2: Convert to fraction form
    631,980.32/947,777.70 = 332,298.32/x
  3. Step 3: Cross multiply
    631,980.32x = 947,777.70 × 332,298.32
  4. Step 4: Simplify right side
    631,980.32x = 314,944,937,443.46
  5. Step 5: Solve for x
    x = 314,944,937,443.46/631,980.32
  6. Step 6: Final answer
    x = 498,346.12

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Double scale
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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.