Home / 328,441.06-492,018.15-292,736.74

Finding the Fourth Proportional to 328,441.06, 492,018.15 and 292,736.74

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Solution

The fourth proportional to 328,441.06, 492,018.15 and 292,736.74 is: 438,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,441.06 : 492,018.15 = 292,736.74 : x
  2. Step 2: Convert to fraction form
    328,441.06/492,018.15 = 292,736.74/x
  3. Step 3: Cross multiply
    328,441.06x = 492,018.15 × 292,736.74
  4. Step 4: Simplify right side
    328,441.06x = 144,031,789,251.83
  5. Step 5: Solve for x
    x = 144,031,789,251.83/328,441.06
  6. Step 6: Final answer
    x = 438,531.62

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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.