Home / 898,541.40-1,348,132.62-385,991.16

Finding the Fourth Proportional to 898,541.40, 1,348,132.62 and 385,991.16

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Solution

The fourth proportional to 898,541.40, 1,348,132.62 and 385,991.16 is: 579,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,541.40 : 1,348,132.62 = 385,991.16 : x
  2. Step 2: Convert to fraction form
    898,541.40/1,348,132.62 = 385,991.16/x
  3. Step 3: Cross multiply
    898,541.40x = 1,348,132.62 × 385,991.16
  4. Step 4: Simplify right side
    898,541.40x = 520,367,273,827.64
  5. Step 5: Solve for x
    x = 520,367,273,827.64/898,541.40
  6. Step 6: Final answer
    x = 579,124.43

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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.