Home / 951,607.44-1,313,019.72-645,920.40

Finding the Fourth Proportional to 951,607.44, 1,313,019.72 and 645,920.40

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Solution

The fourth proportional to 951,607.44, 1,313,019.72 and 645,920.40 is: 891,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,607.44 : 1,313,019.72 = 645,920.40 : x
  2. Step 2: Convert to fraction form
    951,607.44/1,313,019.72 = 645,920.40/x
  3. Step 3: Cross multiply
    951,607.44x = 1,313,019.72 × 645,920.40
  4. Step 4: Simplify right side
    951,607.44x = 848,106,222,750.29
  5. Step 5: Solve for x
    x = 848,106,222,750.29/951,607.44
  6. Step 6: Final answer
    x = 891,235.38

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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.