Home / 813,104.70-1,122,054.21-468,955.04

Finding the Fourth Proportional to 813,104.70, 1,122,054.21 and 468,955.04

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Solution

The fourth proportional to 813,104.70, 1,122,054.21 and 468,955.04 is: 647,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,104.70 : 1,122,054.21 = 468,955.04 : x
  2. Step 2: Convert to fraction form
    813,104.70/1,122,054.21 = 468,955.04/x
  3. Step 3: Cross multiply
    813,104.70x = 1,122,054.21 × 468,955.04
  4. Step 4: Simplify right side
    813,104.70x = 526,192,971,322.45
  5. Step 5: Solve for x
    x = 526,192,971,322.45/813,104.70
  6. Step 6: Final answer
    x = 647,140.49

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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.