Home / 875,187.84-1,312,846.08-314,227.20

Finding the Fourth Proportional to 875,187.84, 1,312,846.08 and 314,227.20

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Solution

The fourth proportional to 875,187.84, 1,312,846.08 and 314,227.20 is: 471,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,187.84 : 1,312,846.08 = 314,227.20 : x
  2. Step 2: Convert to fraction form
    875,187.84/1,312,846.08 = 314,227.20/x
  3. Step 3: Cross multiply
    875,187.84x = 1,312,846.08 × 314,227.20
  4. Step 4: Simplify right side
    875,187.84x = 412,531,947,749.38
  5. Step 5: Solve for x
    x = 412,531,947,749.38/875,187.84
  6. Step 6: Final answer
    x = 471,363.89

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Double scale
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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.