Home / 749,253.90-1,033,969.92-409,722.14

Finding the Fourth Proportional to 749,253.90, 1,033,969.92 and 409,722.14

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Solution

The fourth proportional to 749,253.90, 1,033,969.92 and 409,722.14 is: 565,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,253.90 : 1,033,969.92 = 409,722.14 : x
  2. Step 2: Convert to fraction form
    749,253.90/1,033,969.92 = 409,722.14/x
  3. Step 3: Cross multiply
    749,253.90x = 1,033,969.92 × 409,722.14
  4. Step 4: Simplify right side
    749,253.90x = 423,640,368,318.03
  5. Step 5: Solve for x
    x = 423,640,368,318.03/749,253.90
  6. Step 6: Final answer
    x = 565,416.30

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1.5x scale

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.