Home / 755,754.77-1,042,864.47-465,320.27

Finding the Fourth Proportional to 755,754.77, 1,042,864.47 and 465,320.27

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Solution

The fourth proportional to 755,754.77, 1,042,864.47 and 465,320.27 is: 642,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,754.77 : 1,042,864.47 = 465,320.27 : x
  2. Step 2: Convert to fraction form
    755,754.77/1,042,864.47 = 465,320.27/x
  3. Step 3: Cross multiply
    755,754.77x = 1,042,864.47 × 465,320.27
  4. Step 4: Simplify right side
    755,754.77x = 485,265,971,539.49
  5. Step 5: Solve for x
    x = 485,265,971,539.49/755,754.77
  6. Step 6: Final answer
    x = 642,094.49

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1.5x scale

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.