Home / 694,279.10-958,060.05-388,302.50

Finding the Fourth Proportional to 694,279.10, 958,060.05 and 388,302.50

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Solution

The fourth proportional to 694,279.10, 958,060.05 and 388,302.50 is: 535,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,279.10 : 958,060.05 = 388,302.50 : x
  2. Step 2: Convert to fraction form
    694,279.10/958,060.05 = 388,302.50/x
  3. Step 3: Cross multiply
    694,279.10x = 958,060.05 × 388,302.50
  4. Step 4: Simplify right side
    694,279.10x = 372,017,107,774.83
  5. Step 5: Solve for x
    x = 372,017,107,774.83/694,279.10
  6. Step 6: Final answer
    x = 535,832.22

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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.