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Finding the Fourth Proportional to 590,594.65, 886,021.17 and 191,275.78

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Solution

The fourth proportional to 590,594.65, 886,021.17 and 191,275.78 is: 286,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,594.65 : 886,021.17 = 191,275.78 : x
  2. Step 2: Convert to fraction form
    590,594.65/886,021.17 = 191,275.78/x
  3. Step 3: Cross multiply
    590,594.65x = 886,021.17 × 191,275.78
  4. Step 4: Simplify right side
    590,594.65x = 169,474,391,646.94
  5. Step 5: Solve for x
    x = 169,474,391,646.94/590,594.65
  6. Step 6: Final answer
    x = 286,955.52

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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.