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Finding the Fourth Proportional to 577,506.79, 865,678.65 and 240,733.90

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Solution

The fourth proportional to 577,506.79, 865,678.65 and 240,733.90 is: 360,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,506.79 : 865,678.65 = 240,733.90 : x
  2. Step 2: Convert to fraction form
    577,506.79/865,678.65 = 240,733.90/x
  3. Step 3: Cross multiply
    577,506.79x = 865,678.65 × 240,733.90
  4. Step 4: Simplify right side
    577,506.79x = 208,398,197,561.24
  5. Step 5: Solve for x
    x = 208,398,197,561.24/577,506.79
  6. Step 6: Final answer
    x = 360,858.44

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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.