Home / 949,069.98-1,309,716.45-519,350.16

Finding the Fourth Proportional to 949,069.98, 1,309,716.45 and 519,350.16

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Solution

The fourth proportional to 949,069.98, 1,309,716.45 and 519,350.16 is: 716,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,069.98 : 1,309,716.45 = 519,350.16 : x
  2. Step 2: Convert to fraction form
    949,069.98/1,309,716.45 = 519,350.16/x
  3. Step 3: Cross multiply
    949,069.98x = 1,309,716.45 × 519,350.16
  4. Step 4: Simplify right side
    949,069.98x = 680,201,447,862.13
  5. Step 5: Solve for x
    x = 680,201,447,862.13/949,069.98
  6. Step 6: Final answer
    x = 716,703.15

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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.