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Finding the Fourth Proportional to 599,775.77, 899,710.05 and 200,417.93

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Solution

The fourth proportional to 599,775.77, 899,710.05 and 200,417.93 is: 300,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,775.77 : 899,710.05 = 200,417.93 : x
  2. Step 2: Convert to fraction form
    599,775.77/899,710.05 = 200,417.93/x
  3. Step 3: Cross multiply
    599,775.77x = 899,710.05 × 200,417.93
  4. Step 4: Simplify right side
    599,775.77x = 180,318,025,821.20
  5. Step 5: Solve for x
    x = 180,318,025,821.20/599,775.77
  6. Step 6: Final answer
    x = 300,642.40

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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.