Home / 708,629.10-1,063,384.46-287,904.97

Finding the Fourth Proportional to 708,629.10, 1,063,384.46 and 287,904.97

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Solution

The fourth proportional to 708,629.10, 1,063,384.46 and 287,904.97 is: 432,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,629.10 : 1,063,384.46 = 287,904.97 : x
  2. Step 2: Convert to fraction form
    708,629.10/1,063,384.46 = 287,904.97/x
  3. Step 3: Cross multiply
    708,629.10x = 1,063,384.46 × 287,904.97
  4. Step 4: Simplify right side
    708,629.10x = 306,153,672,024.12
  5. Step 5: Solve for x
    x = 306,153,672,024.12/708,629.10
  6. Step 6: Final answer
    x = 432,036.55

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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.