Home / 676,868.52-1,015,305.12-171,429.24

Finding the Fourth Proportional to 676,868.52, 1,015,305.12 and 171,429.24

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Solution

The fourth proportional to 676,868.52, 1,015,305.12 and 171,429.24 is: 257,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,868.52 : 1,015,305.12 = 171,429.24 : x
  2. Step 2: Convert to fraction form
    676,868.52/1,015,305.12 = 171,429.24/x
  3. Step 3: Cross multiply
    676,868.52x = 1,015,305.12 × 171,429.24
  4. Step 4: Simplify right side
    676,868.52x = 174,052,985,089.71
  5. Step 5: Solve for x
    x = 174,052,985,089.71/676,868.52
  6. Step 6: Final answer
    x = 257,144.45

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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.