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Finding the Fourth Proportional to 417,710.67, 576,910.91 and 282,303.94

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Solution

The fourth proportional to 417,710.67, 576,910.91 and 282,303.94 is: 389,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,710.67 : 576,910.91 = 282,303.94 : x
  2. Step 2: Convert to fraction form
    417,710.67/576,910.91 = 282,303.94/x
  3. Step 3: Cross multiply
    417,710.67x = 576,910.91 × 282,303.94
  4. Step 4: Simplify right side
    417,710.67x = 162,864,220,068.19
  5. Step 5: Solve for x
    x = 162,864,220,068.19/417,710.67
  6. Step 6: Final answer
    x = 389,897.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.