Home / 949,054.63-1,309,695.36-519,334.81

Finding the Fourth Proportional to 949,054.63, 1,309,695.36 and 519,334.81

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Solution

The fourth proportional to 949,054.63, 1,309,695.36 and 519,334.81 is: 716,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,054.63 : 1,309,695.36 = 519,334.81 : x
  2. Step 2: Convert to fraction form
    949,054.63/1,309,695.36 = 519,334.81/x
  3. Step 3: Cross multiply
    949,054.63x = 1,309,695.36 × 519,334.81
  4. Step 4: Simplify right side
    949,054.63x = 680,170,390,943.48
  5. Step 5: Solve for x
    x = 680,170,390,943.48/949,054.63
  6. Step 6: Final answer
    x = 716,682.02

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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.