Home / 980,578.96-1,471,312.02-500,558.80

Finding the Fourth Proportional to 980,578.96, 1,471,312.02 and 500,558.80

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Solution

The fourth proportional to 980,578.96, 1,471,312.02 and 500,558.80 is: 751,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,578.96 : 1,471,312.02 = 500,558.80 : x
  2. Step 2: Convert to fraction form
    980,578.96/1,471,312.02 = 500,558.80/x
  3. Step 3: Cross multiply
    980,578.96x = 1,471,312.02 × 500,558.80
  4. Step 4: Simplify right side
    980,578.96x = 736,478,179,156.78
  5. Step 5: Solve for x
    x = 736,478,179,156.78/980,578.96
  6. Step 6: Final answer
    x = 751,064.64

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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.