Home / 631,487.40-949,563.90-528,844.20

Finding the Fourth Proportional to 631,487.40, 949,563.90 and 528,844.20

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Solution

The fourth proportional to 631,487.40, 949,563.90 and 528,844.20 is: 795,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,487.40 : 949,563.90 = 528,844.20 : x
  2. Step 2: Convert to fraction form
    631,487.40/949,563.90 = 528,844.20/x
  3. Step 3: Cross multiply
    631,487.40x = 949,563.90 × 528,844.20
  4. Step 4: Simplify right side
    631,487.40x = 502,171,361,044.38
  5. Step 5: Solve for x
    x = 502,171,361,044.38/631,487.40
  6. Step 6: Final answer
    x = 795,219.92

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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.