Home / 872,983.96-1,308,365.62-392,698.24

Finding the Fourth Proportional to 872,983.96, 1,308,365.62 and 392,698.24

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Solution

The fourth proportional to 872,983.96, 1,308,365.62 and 392,698.24 is: 588,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,983.96 : 1,308,365.62 = 392,698.24 : x
  2. Step 2: Convert to fraction form
    872,983.96/1,308,365.62 = 392,698.24/x
  3. Step 3: Cross multiply
    872,983.96x = 1,308,365.62 × 392,698.24
  4. Step 4: Simplify right side
    872,983.96x = 513,792,876,250.51
  5. Step 5: Solve for x
    x = 513,792,876,250.51/872,983.96
  6. Step 6: Final answer
    x = 588,547.90

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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.