Home / 949,644.90-1,310,509.32-519,924.92

Finding the Fourth Proportional to 949,644.90, 1,310,509.32 and 519,924.92

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Solution

The fourth proportional to 949,644.90, 1,310,509.32 and 519,924.92 is: 717,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,644.90 : 1,310,509.32 = 519,924.92 : x
  2. Step 2: Convert to fraction form
    949,644.90/1,310,509.32 = 519,924.92/x
  3. Step 3: Cross multiply
    949,644.90x = 1,310,509.32 × 519,924.92
  4. Step 4: Simplify right side
    949,644.90x = 681,366,453,360.25
  5. Step 5: Solve for x
    x = 681,366,453,360.25/949,644.90
  6. Step 6: Final answer
    x = 717,496.04

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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.