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Finding the Fourth Proportional to 609,085.65, 840,528.02 and 337,147.71

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Solution

The fourth proportional to 609,085.65, 840,528.02 and 337,147.71 is: 465,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,085.65 : 840,528.02 = 337,147.71 : x
  2. Step 2: Convert to fraction form
    609,085.65/840,528.02 = 337,147.71/x
  3. Step 3: Cross multiply
    609,085.65x = 840,528.02 × 337,147.71
  4. Step 4: Simplify right side
    609,085.65x = 283,382,097,133.83
  5. Step 5: Solve for x
    x = 283,382,097,133.83/609,085.65
  6. Step 6: Final answer
    x = 465,258.21

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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.