Home / 708,630.35-1,063,386.34-287,906.22

Finding the Fourth Proportional to 708,630.35, 1,063,386.34 and 287,906.22

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Solution

The fourth proportional to 708,630.35, 1,063,386.34 and 287,906.22 is: 432,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,630.35 : 1,063,386.34 = 287,906.22 : x
  2. Step 2: Convert to fraction form
    708,630.35/1,063,386.34 = 287,906.22/x
  3. Step 3: Cross multiply
    708,630.35x = 1,063,386.34 × 287,906.22
  4. Step 4: Simplify right side
    708,630.35x = 306,155,541,549.04
  5. Step 5: Solve for x
    x = 306,155,541,549.04/708,630.35
  6. Step 6: Final answer
    x = 432,038.43

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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.