Home / 885,858.12-1,328,962.05-324,897.48

Finding the Fourth Proportional to 885,858.12, 1,328,962.05 and 324,897.48

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Solution

The fourth proportional to 885,858.12, 1,328,962.05 and 324,897.48 is: 487,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,858.12 : 1,328,962.05 = 324,897.48 : x
  2. Step 2: Convert to fraction form
    885,858.12/1,328,962.05 = 324,897.48/x
  3. Step 3: Cross multiply
    885,858.12x = 1,328,962.05 × 324,897.48
  4. Step 4: Simplify right side
    885,858.12x = 431,776,421,060.63
  5. Step 5: Solve for x
    x = 431,776,421,060.63/885,858.12
  6. Step 6: Final answer
    x = 487,410.36

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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.