Home / 708,875.53-1,063,379.51-282,308.47

Finding the Fourth Proportional to 708,875.53, 1,063,379.51 and 282,308.47

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Solution

The fourth proportional to 708,875.53, 1,063,379.51 and 282,308.47 is: 423,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,875.53 : 1,063,379.51 = 282,308.47 : x
  2. Step 2: Convert to fraction form
    708,875.53/1,063,379.51 = 282,308.47/x
  3. Step 3: Cross multiply
    708,875.53x = 1,063,379.51 × 282,308.47
  4. Step 4: Simplify right side
    708,875.53x = 300,201,042,497.45
  5. Step 5: Solve for x
    x = 300,201,042,497.45/708,875.53
  6. Step 6: Final answer
    x = 423,489.08

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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.