Home / 885,858.04-1,328,998.24-286,819.37

Finding the Fourth Proportional to 885,858.04, 1,328,998.24 and 286,819.37

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Solution

The fourth proportional to 885,858.04, 1,328,998.24 and 286,819.37 is: 430,297.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,858.04 : 1,328,998.24 = 286,819.37 : x
  2. Step 2: Convert to fraction form
    885,858.04/1,328,998.24 = 286,819.37/x
  3. Step 3: Cross multiply
    885,858.04x = 1,328,998.24 × 286,819.37
  4. Step 4: Simplify right side
    885,858.04x = 381,182,437,927.91
  5. Step 5: Solve for x
    x = 381,182,437,927.91/885,858.04
  6. Step 6: Final answer
    x = 430,297.43

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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.