Home / 441,320.64-608,842.08-307,262.40

Finding the Fourth Proportional to 441,320.64, 608,842.08 and 307,262.40

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Solution

The fourth proportional to 441,320.64, 608,842.08 and 307,262.40 is: 423,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,320.64 : 608,842.08 = 307,262.40 : x
  2. Step 2: Convert to fraction form
    441,320.64/608,842.08 = 307,262.40/x
  3. Step 3: Cross multiply
    441,320.64x = 608,842.08 × 307,262.40
  4. Step 4: Simplify right side
    441,320.64x = 187,074,278,721.79
  5. Step 5: Solve for x
    x = 187,074,278,721.79/441,320.64
  6. Step 6: Final answer
    x = 423,896.51

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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.