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Finding the Fourth Proportional to 567,490.80, 849,734.40 and 342,550.56

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Solution

The fourth proportional to 567,490.80, 849,734.40 and 342,550.56 is: 512,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,490.80 : 849,734.40 = 342,550.56 : x
  2. Step 2: Convert to fraction form
    567,490.80/849,734.40 = 342,550.56/x
  3. Step 3: Cross multiply
    567,490.80x = 849,734.40 × 342,550.56
  4. Step 4: Simplify right side
    567,490.80x = 291,076,994,571.26
  5. Step 5: Solve for x
    x = 291,076,994,571.26/567,490.80
  6. Step 6: Final answer
    x = 512,919.32

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1.5x scale

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.