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Finding the Fourth Proportional to 569,230.98, 785,622.15 and 342,871.62

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Solution

The fourth proportional to 569,230.98, 785,622.15 and 342,871.62 is: 473,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,230.98 : 785,622.15 = 342,871.62 : x
  2. Step 2: Convert to fraction form
    569,230.98/785,622.15 = 342,871.62/x
  3. Step 3: Cross multiply
    569,230.98x = 785,622.15 × 342,871.62
  4. Step 4: Simplify right side
    569,230.98x = 269,367,539,278.38
  5. Step 5: Solve for x
    x = 269,367,539,278.38/569,230.98
  6. Step 6: Final answer
    x = 473,213.07

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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.