Home / 959,145.23-1,323,620.49-529,425.47

Finding the Fourth Proportional to 959,145.23, 1,323,620.49 and 529,425.47

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Solution

The fourth proportional to 959,145.23, 1,323,620.49 and 529,425.47 is: 730,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,145.23 : 1,323,620.49 = 529,425.47 : x
  2. Step 2: Convert to fraction form
    959,145.23/1,323,620.49 = 529,425.47/x
  3. Step 3: Cross multiply
    959,145.23x = 1,323,620.49 × 529,425.47
  4. Step 4: Simplify right side
    959,145.23x = 700,758,400,019.88
  5. Step 5: Solve for x
    x = 700,758,400,019.88/959,145.23
  6. Step 6: Final answer
    x = 730,607.19

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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.