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Finding the Fourth Proportional to 577,491.59, 865,655.75 and 240,718.65

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Solution

The fourth proportional to 577,491.59, 865,655.75 and 240,718.65 is: 360,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,491.59 : 865,655.75 = 240,718.65 : x
  2. Step 2: Convert to fraction form
    577,491.59/865,655.75 = 240,718.65/x
  3. Step 3: Cross multiply
    577,491.59x = 865,655.75 × 240,718.65
  4. Step 4: Simplify right side
    577,491.59x = 208,379,482,301.14
  5. Step 5: Solve for x
    x = 208,379,482,301.14/577,491.59
  6. Step 6: Final answer
    x = 360,835.53

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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.