Home / 726,172.49-1,002,153.57-403,875.72

Finding the Fourth Proportional to 726,172.49, 1,002,153.57 and 403,875.72

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Solution

The fourth proportional to 726,172.49, 1,002,153.57 and 403,875.72 is: 557,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,172.49 : 1,002,153.57 = 403,875.72 : x
  2. Step 2: Convert to fraction form
    726,172.49/1,002,153.57 = 403,875.72/x
  3. Step 3: Cross multiply
    726,172.49x = 1,002,153.57 × 403,875.72
  4. Step 4: Simplify right side
    726,172.49x = 404,745,493,119.79
  5. Step 5: Solve for x
    x = 404,745,493,119.79/726,172.49
  6. Step 6: Final answer
    x = 557,368.25

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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.