Home / 880,015.02-1,214,320.30-492,776.61

Finding the Fourth Proportional to 880,015.02, 1,214,320.30 and 492,776.61

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Solution

The fourth proportional to 880,015.02, 1,214,320.30 and 492,776.61 is: 679,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,015.02 : 1,214,320.30 = 492,776.61 : x
  2. Step 2: Convert to fraction form
    880,015.02/1,214,320.30 = 492,776.61/x
  3. Step 3: Cross multiply
    880,015.02x = 1,214,320.30 × 492,776.61
  4. Step 4: Simplify right side
    880,015.02x = 598,388,640,888.18
  5. Step 5: Solve for x
    x = 598,388,640,888.18/880,015.02
  6. Step 6: Final answer
    x = 679,975.49

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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.