Home / 755,071.77-1,041,988.02-415,540.02

Finding the Fourth Proportional to 755,071.77, 1,041,988.02 and 415,540.02

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Solution

The fourth proportional to 755,071.77, 1,041,988.02 and 415,540.02 is: 573,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,071.77 : 1,041,988.02 = 415,540.02 : x
  2. Step 2: Convert to fraction form
    755,071.77/1,041,988.02 = 415,540.02/x
  3. Step 3: Cross multiply
    755,071.77x = 1,041,988.02 × 415,540.02
  4. Step 4: Simplify right side
    755,071.77x = 432,987,728,525.86
  5. Step 5: Solve for x
    x = 432,987,728,525.86/755,071.77
  6. Step 6: Final answer
    x = 573,439.17

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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.