Home / 705,131.17-1,058,210.36-255,888.23

Finding the Fourth Proportional to 705,131.17, 1,058,210.36 and 255,888.23

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Solution

The fourth proportional to 705,131.17, 1,058,210.36 and 255,888.23 is: 384,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,131.17 : 1,058,210.36 = 255,888.23 : x
  2. Step 2: Convert to fraction form
    705,131.17/1,058,210.36 = 255,888.23/x
  3. Step 3: Cross multiply
    705,131.17x = 1,058,210.36 × 255,888.23
  4. Step 4: Simplify right side
    705,131.17x = 270,783,572,944.80
  5. Step 5: Solve for x
    x = 270,783,572,944.80/705,131.17
  6. Step 6: Final answer
    x = 384,018.72

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Double scale
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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.