Home / 875,975.70-1,313,656.35-455,111.70

Finding the Fourth Proportional to 875,975.70, 1,313,656.35 and 455,111.70

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Solution

The fourth proportional to 875,975.70, 1,313,656.35 and 455,111.70 is: 682,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,975.70 : 1,313,656.35 = 455,111.70 : x
  2. Step 2: Convert to fraction form
    875,975.70/1,313,656.35 = 455,111.70/x
  3. Step 3: Cross multiply
    875,975.70x = 1,313,656.35 × 455,111.70
  4. Step 4: Simplify right side
    875,975.70x = 597,860,374,664.30
  5. Step 5: Solve for x
    x = 597,860,374,664.30/875,975.70
  6. Step 6: Final answer
    x = 682,507.94

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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.