Home / 567,922.52-783,747.90-309,803.87

Finding the Fourth Proportional to 567,922.52, 783,747.90 and 309,803.87

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Solution

The fourth proportional to 567,922.52, 783,747.90 and 309,803.87 is: 427,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,922.52 : 783,747.90 = 309,803.87 : x
  2. Step 2: Convert to fraction form
    567,922.52/783,747.90 = 309,803.87/x
  3. Step 3: Cross multiply
    567,922.52x = 783,747.90 × 309,803.87
  4. Step 4: Simplify right side
    567,922.52x = 242,808,134,483.74
  5. Step 5: Solve for x
    x = 242,808,134,483.74/567,922.52
  6. Step 6: Final answer
    x = 427,537.43

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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.