Home / 328,440.06-492,016.65-292,735.74

Finding the Fourth Proportional to 328,440.06, 492,016.65 and 292,735.74

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Solution

The fourth proportional to 328,440.06, 492,016.65 and 292,735.74 is: 438,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,440.06 : 492,016.65 = 292,735.74 : x
  2. Step 2: Convert to fraction form
    328,440.06/492,016.65 = 292,735.74/x
  3. Step 3: Cross multiply
    328,440.06x = 492,016.65 × 292,735.74
  4. Step 4: Simplify right side
    328,440.06x = 144,030,858,130.07
  5. Step 5: Solve for x
    x = 144,030,858,130.07/328,440.06
  6. Step 6: Final answer
    x = 438,530.12

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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.