Home / 949,303.28-1,309,988.06-519,500.38

Finding the Fourth Proportional to 949,303.28, 1,309,988.06 and 519,500.38

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Solution

The fourth proportional to 949,303.28, 1,309,988.06 and 519,500.38 is: 716,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,303.28 : 1,309,988.06 = 519,500.38 : x
  2. Step 2: Convert to fraction form
    949,303.28/1,309,988.06 = 519,500.38/x
  3. Step 3: Cross multiply
    949,303.28x = 1,309,988.06 × 519,500.38
  4. Step 4: Simplify right side
    949,303.28x = 680,539,294,965.46
  5. Step 5: Solve for x
    x = 680,539,294,965.46/949,303.28
  6. Step 6: Final answer
    x = 716,882.91

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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.