Home / 440,085.03-660,348.98-327,990.35

Finding the Fourth Proportional to 440,085.03, 660,348.98 and 327,990.35

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Solution

The fourth proportional to 440,085.03, 660,348.98 and 327,990.35 is: 492,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,085.03 : 660,348.98 = 327,990.35 : x
  2. Step 2: Convert to fraction form
    440,085.03/660,348.98 = 327,990.35/x
  3. Step 3: Cross multiply
    440,085.03x = 660,348.98 × 327,990.35
  4. Step 4: Simplify right side
    440,085.03x = 216,588,088,130.65
  5. Step 5: Solve for x
    x = 216,588,088,130.65/440,085.03
  6. Step 6: Final answer
    x = 492,150.55

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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.