Home / 672,036.90-1,008,055.35-173,400.90

Finding the Fourth Proportional to 672,036.90, 1,008,055.35 and 173,400.90

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Solution

The fourth proportional to 672,036.90, 1,008,055.35 and 173,400.90 is: 260,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,036.90 : 1,008,055.35 = 173,400.90 : x
  2. Step 2: Convert to fraction form
    672,036.90/1,008,055.35 = 173,400.90/x
  3. Step 3: Cross multiply
    672,036.90x = 1,008,055.35 × 173,400.90
  4. Step 4: Simplify right side
    672,036.90x = 174,797,704,939.82
  5. Step 5: Solve for x
    x = 174,797,704,939.82/672,036.90
  6. Step 6: Final answer
    x = 260,101.35

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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.