Home / 949,237.58-1,309,978.35-519,517.19

Finding the Fourth Proportional to 949,237.58, 1,309,978.35 and 519,517.19

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Solution

The fourth proportional to 949,237.58, 1,309,978.35 and 519,517.19 is: 716,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,237.58 : 1,309,978.35 = 519,517.19 : x
  2. Step 2: Convert to fraction form
    949,237.58/1,309,978.35 = 519,517.19/x
  3. Step 3: Cross multiply
    949,237.58x = 1,309,978.35 × 519,517.19
  4. Step 4: Simplify right side
    949,237.58x = 680,556,264,802.95
  5. Step 5: Solve for x
    x = 680,556,264,802.95/949,237.58
  6. Step 6: Final answer
    x = 716,950.41

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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.