Home / 571,948.42-857,928.71-172,592.71

Finding the Fourth Proportional to 571,948.42, 857,928.71 and 172,592.71

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Solution

The fourth proportional to 571,948.42, 857,928.71 and 172,592.71 is: 258,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,948.42 : 857,928.71 = 172,592.71 : x
  2. Step 2: Convert to fraction form
    571,948.42/857,928.71 = 172,592.71/x
  3. Step 3: Cross multiply
    571,948.42x = 857,928.71 × 172,592.71
  4. Step 4: Simplify right side
    571,948.42x = 148,072,235,893.10
  5. Step 5: Solve for x
    x = 148,072,235,893.10/571,948.42
  6. Step 6: Final answer
    x = 258,890.89

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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.