Home / 726,411.49-1,088,894.23-346,888.55

Finding the Fourth Proportional to 726,411.49, 1,088,894.23 and 346,888.55

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Solution

The fourth proportional to 726,411.49, 1,088,894.23 and 346,888.55 is: 519,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,411.49 : 1,088,894.23 = 346,888.55 : x
  2. Step 2: Convert to fraction form
    726,411.49/1,088,894.23 = 346,888.55/x
  3. Step 3: Cross multiply
    726,411.49x = 1,088,894.23 × 346,888.55
  4. Step 4: Simplify right side
    726,411.49x = 377,724,940,548.07
  5. Step 5: Solve for x
    x = 377,724,940,548.07/726,411.49
  6. Step 6: Final answer
    x = 519,987.56

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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.