Home / 949,090.20-1,309,744.54-519,370.35

Finding the Fourth Proportional to 949,090.20, 1,309,744.54 and 519,370.35

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Solution

The fourth proportional to 949,090.20, 1,309,744.54 and 519,370.35 is: 716,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,090.20 : 1,309,744.54 = 519,370.35 : x
  2. Step 2: Convert to fraction form
    949,090.20/1,309,744.54 = 519,370.35/x
  3. Step 3: Cross multiply
    949,090.20x = 1,309,744.54 × 519,370.35
  4. Step 4: Simplify right side
    949,090.20x = 680,242,480,150.39
  5. Step 5: Solve for x
    x = 680,242,480,150.39/949,090.20
  6. Step 6: Final answer
    x = 716,731.12

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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.