Home / 487,069.60-672,150.80-269,277.34

Finding the Fourth Proportional to 487,069.60, 672,150.80 and 269,277.34

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Solution

The fourth proportional to 487,069.60, 672,150.80 and 269,277.34 is: 371,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,069.60 : 672,150.80 = 269,277.34 : x
  2. Step 2: Convert to fraction form
    487,069.60/672,150.80 = 269,277.34/x
  3. Step 3: Cross multiply
    487,069.60x = 672,150.80 × 269,277.34
  4. Step 4: Simplify right side
    487,069.60x = 180,994,979,502.87
  5. Step 5: Solve for x
    x = 180,994,979,502.87/487,069.60
  6. Step 6: Final answer
    x = 371,599.83

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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.