Home / 832,074.94-1,147,898.70-487,736.30

Finding the Fourth Proportional to 832,074.94, 1,147,898.70 and 487,736.30

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Solution

The fourth proportional to 832,074.94, 1,147,898.70 and 487,736.30 is: 672,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,074.94 : 1,147,898.70 = 487,736.30 : x
  2. Step 2: Convert to fraction form
    832,074.94/1,147,898.70 = 487,736.30/x
  3. Step 3: Cross multiply
    832,074.94x = 1,147,898.70 × 487,736.30
  4. Step 4: Simplify right side
    832,074.94x = 559,871,864,712.81
  5. Step 5: Solve for x
    x = 559,871,864,712.81/832,074.94
  6. Step 6: Final answer
    x = 672,862.31

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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.