Home / 875,101.55-1,207,632.98-487,912.37

Finding the Fourth Proportional to 875,101.55, 1,207,632.98 and 487,912.37

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Solution

The fourth proportional to 875,101.55, 1,207,632.98 and 487,912.37 is: 673,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,101.55 : 1,207,632.98 = 487,912.37 : x
  2. Step 2: Convert to fraction form
    875,101.55/1,207,632.98 = 487,912.37/x
  3. Step 3: Cross multiply
    875,101.55x = 1,207,632.98 × 487,912.37
  4. Step 4: Simplify right side
    875,101.55x = 589,219,060,884.24
  5. Step 5: Solve for x
    x = 589,219,060,884.24/875,101.55
  6. Step 6: Final answer
    x = 673,315.07

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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.