Home / 949,071.32-1,309,718.53-519,351.54

Finding the Fourth Proportional to 949,071.32, 1,309,718.53 and 519,351.54

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Solution

The fourth proportional to 949,071.32, 1,309,718.53 and 519,351.54 is: 716,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,071.32 : 1,309,718.53 = 519,351.54 : x
  2. Step 2: Convert to fraction form
    949,071.32/1,309,718.53 = 519,351.54/x
  3. Step 3: Cross multiply
    949,071.32x = 1,309,718.53 × 519,351.54
  4. Step 4: Simplify right side
    949,071.32x = 680,204,335,522.04
  5. Step 5: Solve for x
    x = 680,204,335,522.04/949,071.32
  6. Step 6: Final answer
    x = 716,705.18

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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.