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Finding the Fourth Proportional to 536,550.09, 740,480.31 and 307,179.32

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Solution

The fourth proportional to 536,550.09, 740,480.31 and 307,179.32 is: 423,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,550.09 : 740,480.31 = 307,179.32 : x
  2. Step 2: Convert to fraction form
    536,550.09/740,480.31 = 307,179.32/x
  3. Step 3: Cross multiply
    536,550.09x = 740,480.31 × 307,179.32
  4. Step 4: Simplify right side
    536,550.09x = 227,460,235,480.04
  5. Step 5: Solve for x
    x = 227,460,235,480.04/536,550.09
  6. Step 6: Final answer
    x = 423,931.04

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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.