Home / 631,472.40-949,541.40-528,829.20

Finding the Fourth Proportional to 631,472.40, 949,541.40 and 528,829.20

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Solution

The fourth proportional to 631,472.40, 949,541.40 and 528,829.20 is: 795,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,472.40 : 949,541.40 = 528,829.20 : x
  2. Step 2: Convert to fraction form
    631,472.40/949,541.40 = 528,829.20/x
  3. Step 3: Cross multiply
    631,472.40x = 949,541.40 × 528,829.20
  4. Step 4: Simplify right side
    631,472.40x = 502,145,218,928.88
  5. Step 5: Solve for x
    x = 502,145,218,928.88/631,472.40
  6. Step 6: Final answer
    x = 795,197.41

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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.