Home / 710,760.39-1,066,638.72-410,828.22

Finding the Fourth Proportional to 710,760.39, 1,066,638.72 and 410,828.22

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Solution

The fourth proportional to 710,760.39, 1,066,638.72 and 410,828.22 is: 616,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,760.39 : 1,066,638.72 = 410,828.22 : x
  2. Step 2: Convert to fraction form
    710,760.39/1,066,638.72 = 410,828.22/x
  3. Step 3: Cross multiply
    710,760.39x = 1,066,638.72 × 410,828.22
  4. Step 4: Simplify right side
    710,760.39x = 438,205,286,720.68
  5. Step 5: Solve for x
    x = 438,205,286,720.68/710,760.39
  6. Step 6: Final answer
    x = 616,530.26

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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.