Home / 839,969.28-1,259,331.84-507,467.52

Finding the Fourth Proportional to 839,969.28, 1,259,331.84 and 507,467.52

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Solution

The fourth proportional to 839,969.28, 1,259,331.84 and 507,467.52 is: 760,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,969.28 : 1,259,331.84 = 507,467.52 : x
  2. Step 2: Convert to fraction form
    839,969.28/1,259,331.84 = 507,467.52/x
  3. Step 3: Cross multiply
    839,969.28x = 1,259,331.84 × 507,467.52
  4. Step 4: Simplify right side
    839,969.28x = 639,070,005,701.84
  5. Step 5: Solve for x
    x = 639,070,005,701.84/839,969.28
  6. Step 6: Final answer
    x = 760,825.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.