Home / 949,071.54-1,309,686.93-519,322.80

Finding the Fourth Proportional to 949,071.54, 1,309,686.93 and 519,322.80

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Solution

The fourth proportional to 949,071.54, 1,309,686.93 and 519,322.80 is: 716,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,071.54 : 1,309,686.93 = 519,322.80 : x
  2. Step 2: Convert to fraction form
    949,071.54/1,309,686.93 = 519,322.80/x
  3. Step 3: Cross multiply
    949,071.54x = 1,309,686.93 × 519,322.80
  4. Step 4: Simplify right side
    949,071.54x = 680,150,283,611.00
  5. Step 5: Solve for x
    x = 680,150,283,611.00/949,071.54
  6. Step 6: Final answer
    x = 716,648.07

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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.