Home / 790,445.92-1,185,857.52-257,967.94

Finding the Fourth Proportional to 790,445.92, 1,185,857.52 and 257,967.94

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Solution

The fourth proportional to 790,445.92, 1,185,857.52 and 257,967.94 is: 387,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,445.92 : 1,185,857.52 = 257,967.94 : x
  2. Step 2: Convert to fraction form
    790,445.92/1,185,857.52 = 257,967.94/x
  3. Step 3: Cross multiply
    790,445.92x = 1,185,857.52 × 257,967.94
  4. Step 4: Simplify right side
    790,445.92x = 305,913,221,567.91
  5. Step 5: Solve for x
    x = 305,913,221,567.91/790,445.92
  6. Step 6: Final answer
    x = 387,013.47

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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.