Home / 595,300.28-821,187.18-377,109.36

Finding the Fourth Proportional to 595,300.28, 821,187.18 and 377,109.36

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Solution

The fourth proportional to 595,300.28, 821,187.18 and 377,109.36 is: 520,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,300.28 : 821,187.18 = 377,109.36 : x
  2. Step 2: Convert to fraction form
    595,300.28/821,187.18 = 377,109.36/x
  3. Step 3: Cross multiply
    595,300.28x = 821,187.18 × 377,109.36
  4. Step 4: Simplify right side
    595,300.28x = 309,677,371,890.01
  5. Step 5: Solve for x
    x = 309,677,371,890.01/595,300.28
  6. Step 6: Final answer
    x = 520,203.64

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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.