Home / 949,292.82-1,309,973.81-519,489.90

Finding the Fourth Proportional to 949,292.82, 1,309,973.81 and 519,489.90

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Solution

The fourth proportional to 949,292.82, 1,309,973.81 and 519,489.90 is: 716,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,292.82 : 1,309,973.81 = 519,489.90 : x
  2. Step 2: Convert to fraction form
    949,292.82/1,309,973.81 = 519,489.90/x
  3. Step 3: Cross multiply
    949,292.82x = 1,309,973.81 × 519,489.90
  4. Step 4: Simplify right side
    949,292.82x = 680,518,160,962.07
  5. Step 5: Solve for x
    x = 680,518,160,962.07/949,292.82
  6. Step 6: Final answer
    x = 716,868.54

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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.