Home / 469,986.52-648,582.22-255,126.72

Finding the Fourth Proportional to 469,986.52, 648,582.22 and 255,126.72

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Solution

The fourth proportional to 469,986.52, 648,582.22 and 255,126.72 is: 352,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,986.52 : 648,582.22 = 255,126.72 : x
  2. Step 2: Convert to fraction form
    469,986.52/648,582.22 = 255,126.72/x
  3. Step 3: Cross multiply
    469,986.52x = 648,582.22 × 255,126.72
  4. Step 4: Simplify right side
    469,986.52x = 165,470,654,438.92
  5. Step 5: Solve for x
    x = 165,470,654,438.92/469,986.52
  6. Step 6: Final answer
    x = 352,075.32

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1.5x scale

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.