Home / 906,135.68-1,359,109.89-307,081.28

Finding the Fourth Proportional to 906,135.68, 1,359,109.89 and 307,081.28

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Solution

The fourth proportional to 906,135.68, 1,359,109.89 and 307,081.28 is: 460,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,135.68 : 1,359,109.89 = 307,081.28 : x
  2. Step 2: Convert to fraction form
    906,135.68/1,359,109.89 = 307,081.28/x
  3. Step 3: Cross multiply
    906,135.68x = 1,359,109.89 × 307,081.28
  4. Step 4: Simplify right side
    906,135.68x = 417,357,197,886.31
  5. Step 5: Solve for x
    x = 417,357,197,886.31/906,135.68
  6. Step 6: Final answer
    x = 460,590.18

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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.