Home / 579,278.61-867,786.66-275,240.07

Finding the Fourth Proportional to 579,278.61, 867,786.66 and 275,240.07

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Solution

The fourth proportional to 579,278.61, 867,786.66 and 275,240.07 is: 412,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,278.61 : 867,786.66 = 275,240.07 : x
  2. Step 2: Convert to fraction form
    579,278.61/867,786.66 = 275,240.07/x
  3. Step 3: Cross multiply
    579,278.61x = 867,786.66 × 275,240.07
  4. Step 4: Simplify right side
    579,278.61x = 238,849,661,043.47
  5. Step 5: Solve for x
    x = 238,849,661,043.47/579,278.61
  6. Step 6: Final answer
    x = 412,322.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.