Home / 1,033,490.38-1,550,135.30-313,838.28

Finding the Fourth Proportional to 1,033,490.38, 1,550,135.30 and 313,838.28

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Solution

The fourth proportional to 1,033,490.38, 1,550,135.30 and 313,838.28 is: 470,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,490.38 : 1,550,135.30 = 313,838.28 : x
  2. Step 2: Convert to fraction form
    1,033,490.38/1,550,135.30 = 313,838.28/x
  3. Step 3: Cross multiply
    1,033,490.38x = 1,550,135.30 × 313,838.28
  4. Step 4: Simplify right side
    1,033,490.38x = 486,491,796,319.28
  5. Step 5: Solve for x
    x = 486,491,796,319.28/1,033,490.38
  6. Step 6: Final answer
    x = 470,726.97

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1.5x scale

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.