Home / 903,933.60-1,247,428.08-501,525.60

Finding the Fourth Proportional to 903,933.60, 1,247,428.08 and 501,525.60

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Solution

The fourth proportional to 903,933.60, 1,247,428.08 and 501,525.60 is: 692,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,933.60 : 1,247,428.08 = 501,525.60 : x
  2. Step 2: Convert to fraction form
    903,933.60/1,247,428.08 = 501,525.60/x
  3. Step 3: Cross multiply
    903,933.60x = 1,247,428.08 × 501,525.60
  4. Step 4: Simplify right side
    903,933.60x = 625,617,116,278.85
  5. Step 5: Solve for x
    x = 625,617,116,278.85/903,933.60
  6. Step 6: Final answer
    x = 692,105.17

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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.