Home / 949,002.36-1,309,623.21-519,282.51

Finding the Fourth Proportional to 949,002.36, 1,309,623.21 and 519,282.51

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Solution

The fourth proportional to 949,002.36, 1,309,623.21 and 519,282.51 is: 716,609.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,002.36 : 1,309,623.21 = 519,282.51 : x
  2. Step 2: Convert to fraction form
    949,002.36/1,309,623.21 = 519,282.51/x
  3. Step 3: Cross multiply
    949,002.36x = 1,309,623.21 × 519,282.51
  4. Step 4: Simplify right side
    949,002.36x = 680,064,427,643.06
  5. Step 5: Solve for x
    x = 680,064,427,643.06/949,002.36
  6. Step 6: Final answer
    x = 716,609.84

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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.