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Finding the Fourth Proportional to 539,852.24, 745,007.88 and 298,134.32

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Solution

The fourth proportional to 539,852.24, 745,007.88 and 298,134.32 is: 411,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,852.24 : 745,007.88 = 298,134.32 : x
  2. Step 2: Convert to fraction form
    539,852.24/745,007.88 = 298,134.32/x
  3. Step 3: Cross multiply
    539,852.24x = 745,007.88 × 298,134.32
  4. Step 4: Simplify right side
    539,852.24x = 222,112,417,698.44
  5. Step 5: Solve for x
    x = 222,112,417,698.44/539,852.24
  6. Step 6: Final answer
    x = 411,431.87

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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.