Home / 485,812.37-670,422.27-270,966.35

Finding the Fourth Proportional to 485,812.37, 670,422.27 and 270,966.35

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Solution

The fourth proportional to 485,812.37, 670,422.27 and 270,966.35 is: 373,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,812.37 : 670,422.27 = 270,966.35 : x
  2. Step 2: Convert to fraction form
    485,812.37/670,422.27 = 270,966.35/x
  3. Step 3: Cross multiply
    485,812.37x = 670,422.27 × 270,966.35
  4. Step 4: Simplify right side
    485,812.37x = 181,661,875,460.62
  5. Step 5: Solve for x
    x = 181,661,875,460.62/485,812.37
  6. Step 6: Final answer
    x = 373,934.23

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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.