Home / 708,632.72-1,063,389.90-287,908.60

Finding the Fourth Proportional to 708,632.72, 1,063,389.90 and 287,908.60

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Solution

The fourth proportional to 708,632.72, 1,063,389.90 and 287,908.60 is: 432,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,632.72 : 1,063,389.90 = 287,908.60 : x
  2. Step 2: Convert to fraction form
    708,632.72/1,063,389.90 = 287,908.60/x
  3. Step 3: Cross multiply
    708,632.72x = 1,063,389.90 × 287,908.60
  4. Step 4: Simplify right side
    708,632.72x = 306,159,097,363.14
  5. Step 5: Solve for x
    x = 306,159,097,363.14/708,632.72
  6. Step 6: Final answer
    x = 432,042.00

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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.