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Finding the Fourth Proportional to 664,292.32, 916,714.80 and 362,481.12

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Solution

The fourth proportional to 664,292.32, 916,714.80 and 362,481.12 is: 500,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,292.32 : 916,714.80 = 362,481.12 : x
  2. Step 2: Convert to fraction form
    664,292.32/916,714.80 = 362,481.12/x
  3. Step 3: Cross multiply
    664,292.32x = 916,714.80 × 362,481.12
  4. Step 4: Simplify right side
    664,292.32x = 332,291,807,424.58
  5. Step 5: Solve for x
    x = 332,291,807,424.58/664,292.32
  6. Step 6: Final answer
    x = 500,219.25

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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.