Home / 525,342.40-788,081.70-240,964.36

Finding the Fourth Proportional to 525,342.40, 788,081.70 and 240,964.36

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Solution

The fourth proportional to 525,342.40, 788,081.70 and 240,964.36 is: 361,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,342.40 : 788,081.70 = 240,964.36 : x
  2. Step 2: Convert to fraction form
    525,342.40/788,081.70 = 240,964.36/x
  3. Step 3: Cross multiply
    525,342.40x = 788,081.70 × 240,964.36
  4. Step 4: Simplify right side
    525,342.40x = 189,899,602,468.21
  5. Step 5: Solve for x
    x = 189,899,602,468.21/525,342.40
  6. Step 6: Final answer
    x = 361,477.78

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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.