Home / 880,056.64-1,214,468.40-492,875.56

Finding the Fourth Proportional to 880,056.64, 1,214,468.40 and 492,875.56

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Solution

The fourth proportional to 880,056.64, 1,214,468.40 and 492,875.56 is: 680,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,056.64 : 1,214,468.40 = 492,875.56 : x
  2. Step 2: Convert to fraction form
    880,056.64/1,214,468.40 = 492,875.56/x
  3. Step 3: Cross multiply
    880,056.64x = 1,214,468.40 × 492,875.56
  4. Step 4: Simplify right side
    880,056.64x = 598,581,792,752.30
  5. Step 5: Solve for x
    x = 598,581,792,752.30/880,056.64
  6. Step 6: Final answer
    x = 680,162.80

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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.