Home / 889,641.68-1,334,869.16-484,226.56

Finding the Fourth Proportional to 889,641.68, 1,334,869.16 and 484,226.56

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Solution

The fourth proportional to 889,641.68, 1,334,869.16 and 484,226.56 is: 726,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,641.68 : 1,334,869.16 = 484,226.56 : x
  2. Step 2: Convert to fraction form
    889,641.68/1,334,869.16 = 484,226.56/x
  3. Step 3: Cross multiply
    889,641.68x = 1,334,869.16 × 484,226.56
  4. Step 4: Simplify right side
    889,641.68x = 646,379,099,270.28
  5. Step 5: Solve for x
    x = 646,379,099,270.28/889,641.68
  6. Step 6: Final answer
    x = 726,561.17

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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.