Home / 457,700.35-631,663.90-253,815.22

Finding the Fourth Proportional to 457,700.35, 631,663.90 and 253,815.22

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Solution

The fourth proportional to 457,700.35, 631,663.90 and 253,815.22 is: 350,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,700.35 : 631,663.90 = 253,815.22 : x
  2. Step 2: Convert to fraction form
    457,700.35/631,663.90 = 253,815.22/x
  3. Step 3: Cross multiply
    457,700.35x = 631,663.90 × 253,815.22
  4. Step 4: Simplify right side
    457,700.35x = 160,325,911,744.56
  5. Step 5: Solve for x
    x = 160,325,911,744.56/457,700.35
  6. Step 6: Final answer
    x = 350,285.75

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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.