Home / 571,477.29-857,040.93-395,117.61

Finding the Fourth Proportional to 571,477.29, 857,040.93 and 395,117.61

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Solution

The fourth proportional to 571,477.29, 857,040.93 and 395,117.61 is: 592,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,477.29 : 857,040.93 = 395,117.61 : x
  2. Step 2: Convert to fraction form
    571,477.29/857,040.93 = 395,117.61/x
  3. Step 3: Cross multiply
    571,477.29x = 857,040.93 × 395,117.61
  4. Step 4: Simplify right side
    571,477.29x = 338,631,963,933.78
  5. Step 5: Solve for x
    x = 338,631,963,933.78/571,477.29
  6. Step 6: Final answer
    x = 592,555.42

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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.