Home / 562,985.43-776,890.98-308,287.41

Finding the Fourth Proportional to 562,985.43, 776,890.98 and 308,287.41

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Solution

The fourth proportional to 562,985.43, 776,890.98 and 308,287.41 is: 425,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,985.43 : 776,890.98 = 308,287.41 : x
  2. Step 2: Convert to fraction form
    562,985.43/776,890.98 = 308,287.41/x
  3. Step 3: Cross multiply
    562,985.43x = 776,890.98 × 308,287.41
  4. Step 4: Simplify right side
    562,985.43x = 239,505,708,076.56
  5. Step 5: Solve for x
    x = 239,505,708,076.56/562,985.43
  6. Step 6: Final answer
    x = 425,420.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.