Home / 763,887.30-1,054,208.28-424,355.55

Finding the Fourth Proportional to 763,887.30, 1,054,208.28 and 424,355.55

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Solution

The fourth proportional to 763,887.30, 1,054,208.28 and 424,355.55 is: 585,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,887.30 : 1,054,208.28 = 424,355.55 : x
  2. Step 2: Convert to fraction form
    763,887.30/1,054,208.28 = 424,355.55/x
  3. Step 3: Cross multiply
    763,887.30x = 1,054,208.28 × 424,355.55
  4. Step 4: Simplify right side
    763,887.30x = 447,359,134,473.95
  5. Step 5: Solve for x
    x = 447,359,134,473.95/763,887.30
  6. Step 6: Final answer
    x = 585,634.99

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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.