Home / 705,322.80-1,058,081.40-255,934.80

Finding the Fourth Proportional to 705,322.80, 1,058,081.40 and 255,934.80

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Solution

The fourth proportional to 705,322.80, 1,058,081.40 and 255,934.80 is: 383,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,322.80 : 1,058,081.40 = 255,934.80 : x
  2. Step 2: Convert to fraction form
    705,322.80/1,058,081.40 = 255,934.80/x
  3. Step 3: Cross multiply
    705,322.80x = 1,058,081.40 × 255,934.80
  4. Step 4: Simplify right side
    705,322.80x = 270,799,851,492.72
  5. Step 5: Solve for x
    x = 270,799,851,492.72/705,322.80
  6. Step 6: Final answer
    x = 383,937.47

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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.