Home / 885,125.40-1,221,263.10-503,122.11

Finding the Fourth Proportional to 885,125.40, 1,221,263.10 and 503,122.11

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Solution

The fourth proportional to 885,125.40, 1,221,263.10 and 503,122.11 is: 694,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,125.40 : 1,221,263.10 = 503,122.11 : x
  2. Step 2: Convert to fraction form
    885,125.40/1,221,263.10 = 503,122.11/x
  3. Step 3: Cross multiply
    885,125.40x = 1,221,263.10 × 503,122.11
  4. Step 4: Simplify right side
    885,125.40x = 614,444,467,737.14
  5. Step 5: Solve for x
    x = 614,444,467,737.14/885,125.40
  6. Step 6: Final answer
    x = 694,189.17

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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.