Home / 672,786.86-1,009,180.29-461,785.10

Finding the Fourth Proportional to 672,786.86, 1,009,180.29 and 461,785.10

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Solution

The fourth proportional to 672,786.86, 1,009,180.29 and 461,785.10 is: 692,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,786.86 : 1,009,180.29 = 461,785.10 : x
  2. Step 2: Convert to fraction form
    672,786.86/1,009,180.29 = 461,785.10/x
  3. Step 3: Cross multiply
    672,786.86x = 1,009,180.29 × 461,785.10
  4. Step 4: Simplify right side
    672,786.86x = 466,024,421,135.68
  5. Step 5: Solve for x
    x = 466,024,421,135.68/672,786.86
  6. Step 6: Final answer
    x = 692,677.65

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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.