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Finding the Fourth Proportional to 471,923.04, 651,235.43 and 288,468.77

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Solution

The fourth proportional to 471,923.04, 651,235.43 and 288,468.77 is: 398,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,923.04 : 651,235.43 = 288,468.77 : x
  2. Step 2: Convert to fraction form
    471,923.04/651,235.43 = 288,468.77/x
  3. Step 3: Cross multiply
    471,923.04x = 651,235.43 × 288,468.77
  4. Step 4: Simplify right side
    471,923.04x = 187,861,083,472.52
  5. Step 5: Solve for x
    x = 187,861,083,472.52/471,923.04
  6. Step 6: Final answer
    x = 398,075.68

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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.