Home / 487,717.14-673,075.80-272,844.39

Finding the Fourth Proportional to 487,717.14, 673,075.80 and 272,844.39

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Solution

The fourth proportional to 487,717.14, 673,075.80 and 272,844.39 is: 376,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,717.14 : 673,075.80 = 272,844.39 : x
  2. Step 2: Convert to fraction form
    487,717.14/673,075.80 = 272,844.39/x
  3. Step 3: Cross multiply
    487,717.14x = 673,075.80 × 272,844.39
  4. Step 4: Simplify right side
    487,717.14x = 183,644,956,074.76
  5. Step 5: Solve for x
    x = 183,644,956,074.76/487,717.14
  6. Step 6: Final answer
    x = 376,539.89

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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.