Home / 949,301.28-1,309,985.30-519,498.38

Finding the Fourth Proportional to 949,301.28, 1,309,985.30 and 519,498.38

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Solution

The fourth proportional to 949,301.28, 1,309,985.30 and 519,498.38 is: 716,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,301.28 : 1,309,985.30 = 519,498.38 : x
  2. Step 2: Convert to fraction form
    949,301.28/1,309,985.30 = 519,498.38/x
  3. Step 3: Cross multiply
    949,301.28x = 1,309,985.30 × 519,498.38
  4. Step 4: Simplify right side
    949,301.28x = 680,535,241,173.81
  5. Step 5: Solve for x
    x = 680,535,241,173.81/949,301.28
  6. Step 6: Final answer
    x = 716,880.15

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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.