Home / 631,490.90-949,569.15-528,847.70

Finding the Fourth Proportional to 631,490.90, 949,569.15 and 528,847.70

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Solution

The fourth proportional to 631,490.90, 949,569.15 and 528,847.70 is: 795,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,490.90 : 949,569.15 = 528,847.70 : x
  2. Step 2: Convert to fraction form
    631,490.90/949,569.15 = 528,847.70/x
  3. Step 3: Cross multiply
    631,490.90x = 949,569.15 × 528,847.70
  4. Step 4: Simplify right side
    631,490.90x = 502,177,460,968.46
  5. Step 5: Solve for x
    x = 502,177,460,968.46/631,490.90
  6. Step 6: Final answer
    x = 795,225.17

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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.