Home / 726,410.49-1,088,892.73-346,887.55

Finding the Fourth Proportional to 726,410.49, 1,088,892.73 and 346,887.55

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Solution

The fourth proportional to 726,410.49, 1,088,892.73 and 346,887.55 is: 519,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,410.49 : 1,088,892.73 = 346,887.55 : x
  2. Step 2: Convert to fraction form
    726,410.49/1,088,892.73 = 346,887.55/x
  3. Step 3: Cross multiply
    726,410.49x = 1,088,892.73 × 346,887.55
  4. Step 4: Simplify right side
    726,410.49x = 377,723,331,322.51
  5. Step 5: Solve for x
    x = 377,723,331,322.51/726,410.49
  6. Step 6: Final answer
    x = 519,986.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.