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Finding the Fourth Proportional to 569,483.52, 785,882.88 and 314,845.44

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Solution

The fourth proportional to 569,483.52, 785,882.88 and 314,845.44 is: 434,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,483.52 : 785,882.88 = 314,845.44 : x
  2. Step 2: Convert to fraction form
    569,483.52/785,882.88 = 314,845.44/x
  3. Step 3: Cross multiply
    569,483.52x = 785,882.88 × 314,845.44
  4. Step 4: Simplify right side
    569,483.52x = 247,431,641,142.07
  5. Step 5: Solve for x
    x = 247,431,641,142.07/569,483.52
  6. Step 6: Final answer
    x = 434,484.29

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1.5x scale

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.