Home / 949,608.78-1,310,410.35-519,806.58

Finding the Fourth Proportional to 949,608.78, 1,310,410.35 and 519,806.58

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Solution

The fourth proportional to 949,608.78, 1,310,410.35 and 519,806.58 is: 717,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,608.78 : 1,310,410.35 = 519,806.58 : x
  2. Step 2: Convert to fraction form
    949,608.78/1,310,410.35 = 519,806.58/x
  3. Step 3: Cross multiply
    949,608.78x = 1,310,410.35 × 519,806.58
  4. Step 4: Simplify right side
    949,608.78x = 681,159,922,430.10
  5. Step 5: Solve for x
    x = 681,159,922,430.10/949,608.78
  6. Step 6: Final answer
    x = 717,305.84

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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.