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Finding the Fourth Proportional to 570,301.84, 855,063.92 and 289,277.20

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Solution

The fourth proportional to 570,301.84, 855,063.92 and 289,277.20 is: 433,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,301.84 : 855,063.92 = 289,277.20 : x
  2. Step 2: Convert to fraction form
    570,301.84/855,063.92 = 289,277.20/x
  3. Step 3: Cross multiply
    570,301.84x = 855,063.92 × 289,277.20
  4. Step 4: Simplify right side
    570,301.84x = 247,350,496,598.62
  5. Step 5: Solve for x
    x = 247,350,496,598.62/570,301.84
  6. Step 6: Final answer
    x = 433,718.57

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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.