Home / 813,009.59-1,121,923.44-468,860.03

Finding the Fourth Proportional to 813,009.59, 1,121,923.44 and 468,860.03

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Solution

The fourth proportional to 813,009.59, 1,121,923.44 and 468,860.03 is: 647,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,009.59 : 1,121,923.44 = 468,860.03 : x
  2. Step 2: Convert to fraction form
    813,009.59/1,121,923.44 = 468,860.03/x
  3. Step 3: Cross multiply
    813,009.59x = 1,121,923.44 × 468,860.03
  4. Step 4: Simplify right side
    813,009.59x = 526,025,052,126.49
  5. Step 5: Solve for x
    x = 526,025,052,126.49/813,009.59
  6. Step 6: Final answer
    x = 647,009.66

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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.