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Finding the Fourth Proportional to 456,952, 630,595.92 and 255,786.88

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Solution

The fourth proportional to 456,952, 630,595.92 and 255,786.88 is: 352,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,952 : 630,595.92 = 255,786.88 : x
  2. Step 2: Convert to fraction form
    456,952/630,595.92 = 255,786.88/x
  3. Step 3: Cross multiply
    456,952x = 630,595.92 × 255,786.88
  4. Step 4: Simplify right side
    456,952x = 161,298,162,917.53
  5. Step 5: Solve for x
    x = 161,298,162,917.53/456,952
  6. Step 6: Final answer
    x = 352,987.10

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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.