Home / 880,079.06-1,214,300.86-498,105.86

Finding the Fourth Proportional to 880,079.06, 1,214,300.86 and 498,105.86

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Solution

The fourth proportional to 880,079.06, 1,214,300.86 and 498,105.86 is: 687,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,079.06 : 1,214,300.86 = 498,105.86 : x
  2. Step 2: Convert to fraction form
    880,079.06/1,214,300.86 = 498,105.86/x
  3. Step 3: Cross multiply
    880,079.06x = 1,214,300.86 × 498,105.86
  4. Step 4: Simplify right side
    880,079.06x = 604,850,366,852.27
  5. Step 5: Solve for x
    x = 604,850,366,852.27/880,079.06
  6. Step 6: Final answer
    x = 687,268.22

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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.