Home / 771,923.62-1,157,997.06-292,021.30

Finding the Fourth Proportional to 771,923.62, 1,157,997.06 and 292,021.30

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Solution

The fourth proportional to 771,923.62, 1,157,997.06 and 292,021.30 is: 438,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,923.62 : 1,157,997.06 = 292,021.30 : x
  2. Step 2: Convert to fraction form
    771,923.62/1,157,997.06 = 292,021.30/x
  3. Step 3: Cross multiply
    771,923.62x = 1,157,997.06 × 292,021.30
  4. Step 4: Simplify right side
    771,923.62x = 338,159,808,304.87
  5. Step 5: Solve for x
    x = 338,159,808,304.87/771,923.62
  6. Step 6: Final answer
    x = 438,074.18

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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.