Home / 644,342.04-966,142.69-265,524.28

Finding the Fourth Proportional to 644,342.04, 966,142.69 and 265,524.28

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Solution

The fourth proportional to 644,342.04, 966,142.69 and 265,524.28 is: 398,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,342.04 : 966,142.69 = 265,524.28 : x
  2. Step 2: Convert to fraction form
    644,342.04/966,142.69 = 265,524.28/x
  3. Step 3: Cross multiply
    644,342.04x = 966,142.69 × 265,524.28
  4. Step 4: Simplify right side
    644,342.04x = 256,534,339,060.35
  5. Step 5: Solve for x
    x = 256,534,339,060.35/644,342.04
  6. Step 6: Final answer
    x = 398,133.79

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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.