Home / 672,920.60-1,009,085.45-251,901.23

Finding the Fourth Proportional to 672,920.60, 1,009,085.45 and 251,901.23

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Solution

The fourth proportional to 672,920.60, 1,009,085.45 and 251,901.23 is: 377,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,920.60 : 1,009,085.45 = 251,901.23 : x
  2. Step 2: Convert to fraction form
    672,920.60/1,009,085.45 = 251,901.23/x
  3. Step 3: Cross multiply
    672,920.60x = 1,009,085.45 × 251,901.23
  4. Step 4: Simplify right side
    672,920.60x = 254,189,859,725.17
  5. Step 5: Solve for x
    x = 254,189,859,725.17/672,920.60
  6. Step 6: Final answer
    x = 377,741.24

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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.