Home / 875,962.40-1,313,940.56-211,114.40

Finding the Fourth Proportional to 875,962.40, 1,313,940.56 and 211,114.40

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Solution

The fourth proportional to 875,962.40, 1,313,940.56 and 211,114.40 is: 316,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,962.40 : 1,313,940.56 = 211,114.40 : x
  2. Step 2: Convert to fraction form
    875,962.40/1,313,940.56 = 211,114.40/x
  3. Step 3: Cross multiply
    875,962.40x = 1,313,940.56 × 211,114.40
  4. Step 4: Simplify right side
    875,962.40x = 277,391,772,960.06
  5. Step 5: Solve for x
    x = 277,391,772,960.06/875,962.40
  6. Step 6: Final answer
    x = 316,670.87

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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.