Home / 736,109.24-1,015,866.78-413,920.40

Finding the Fourth Proportional to 736,109.24, 1,015,866.78 and 413,920.40

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Solution

The fourth proportional to 736,109.24, 1,015,866.78 and 413,920.40 is: 571,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,109.24 : 1,015,866.78 = 413,920.40 : x
  2. Step 2: Convert to fraction form
    736,109.24/1,015,866.78 = 413,920.40/x
  3. Step 3: Cross multiply
    736,109.24x = 1,015,866.78 × 413,920.40
  4. Step 4: Simplify right side
    736,109.24x = 420,487,983,924.31
  5. Step 5: Solve for x
    x = 420,487,983,924.31/736,109.24
  6. Step 6: Final answer
    x = 571,230.41

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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.