Home / 705,445.56-1,058,373-256,159.08

Finding the Fourth Proportional to 705,445.56, 1,058,373 and 256,159.08

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Solution

The fourth proportional to 705,445.56, 1,058,373 and 256,159.08 is: 384,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,445.56 : 1,058,373 = 256,159.08 : x
  2. Step 2: Convert to fraction form
    705,445.56/1,058,373 = 256,159.08/x
  3. Step 3: Cross multiply
    705,445.56x = 1,058,373 × 256,159.08
  4. Step 4: Simplify right side
    705,445.56x = 271,111,853,976.84
  5. Step 5: Solve for x
    x = 271,111,853,976.84/705,445.56
  6. Step 6: Final answer
    x = 384,312.94

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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.