Home / 755,829.96-1,043,065.10-411,678.93

Finding the Fourth Proportional to 755,829.96, 1,043,065.10 and 411,678.93

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Solution

The fourth proportional to 755,829.96, 1,043,065.10 and 411,678.93 is: 568,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,829.96 : 1,043,065.10 = 411,678.93 : x
  2. Step 2: Convert to fraction form
    755,829.96/1,043,065.10 = 411,678.93/x
  3. Step 3: Cross multiply
    755,829.96x = 1,043,065.10 × 411,678.93
  4. Step 4: Simplify right side
    755,829.96x = 429,407,922,229.95
  5. Step 5: Solve for x
    x = 429,407,922,229.95/755,829.96
  6. Step 6: Final answer
    x = 568,127.68

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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.