Home / 487,637.52-673,075.02-283,727.82

Finding the Fourth Proportional to 487,637.52, 673,075.02 and 283,727.82

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Solution

The fourth proportional to 487,637.52, 673,075.02 and 283,727.82 is: 391,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,637.52 : 673,075.02 = 283,727.82 : x
  2. Step 2: Convert to fraction form
    487,637.52/673,075.02 = 283,727.82/x
  3. Step 3: Cross multiply
    487,637.52x = 673,075.02 × 283,727.82
  4. Step 4: Simplify right side
    487,637.52x = 190,970,108,121.06
  5. Step 5: Solve for x
    x = 190,970,108,121.06/487,637.52
  6. Step 6: Final answer
    x = 391,623.08

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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.