Home / 705,878.51-1,058,881.22-200,444.45

Finding the Fourth Proportional to 705,878.51, 1,058,881.22 and 200,444.45

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Solution

The fourth proportional to 705,878.51, 1,058,881.22 and 200,444.45 is: 300,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,878.51 : 1,058,881.22 = 200,444.45 : x
  2. Step 2: Convert to fraction form
    705,878.51/1,058,881.22 = 200,444.45/x
  3. Step 3: Cross multiply
    705,878.51x = 1,058,881.22 × 200,444.45
  4. Step 4: Simplify right side
    705,878.51x = 212,246,862,756.01
  5. Step 5: Solve for x
    x = 212,246,862,756.01/705,878.51
  6. Step 6: Final answer
    x = 300,684.69

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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.