Home / 755,053.28-1,041,971.28-415,521.28

Finding the Fourth Proportional to 755,053.28, 1,041,971.28 and 415,521.28

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Solution

The fourth proportional to 755,053.28, 1,041,971.28 and 415,521.28 is: 573,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,053.28 : 1,041,971.28 = 415,521.28 : x
  2. Step 2: Convert to fraction form
    755,053.28/1,041,971.28 = 415,521.28/x
  3. Step 3: Cross multiply
    755,053.28x = 1,041,971.28 × 415,521.28
  4. Step 4: Simplify right side
    755,053.28x = 432,961,239,988.84
  5. Step 5: Solve for x
    x = 432,961,239,988.84/755,053.28
  6. Step 6: Final answer
    x = 573,418.13

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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.