Home / 705,828.72-1,058,275.00-256,496.21

Finding the Fourth Proportional to 705,828.72, 1,058,275.00 and 256,496.21

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Solution

The fourth proportional to 705,828.72, 1,058,275.00 and 256,496.21 is: 384,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,828.72 : 1,058,275.00 = 256,496.21 : x
  2. Step 2: Convert to fraction form
    705,828.72/1,058,275.00 = 256,496.21/x
  3. Step 3: Cross multiply
    705,828.72x = 1,058,275.00 × 256,496.21
  4. Step 4: Simplify right side
    705,828.72x = 271,443,520,705.14
  5. Step 5: Solve for x
    x = 271,443,520,705.14/705,828.72
  6. Step 6: Final answer
    x = 384,574.21

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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.