Home / 950,720.02-1,312,003.96-520,990.90

Finding the Fourth Proportional to 950,720.02, 1,312,003.96 and 520,990.90

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Solution

The fourth proportional to 950,720.02, 1,312,003.96 and 520,990.90 is: 718,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,720.02 : 1,312,003.96 = 520,990.90 : x
  2. Step 2: Convert to fraction form
    950,720.02/1,312,003.96 = 520,990.90/x
  3. Step 3: Cross multiply
    950,720.02x = 1,312,003.96 × 520,990.90
  4. Step 4: Simplify right side
    950,720.02x = 683,542,123,923.96
  5. Step 5: Solve for x
    x = 683,542,123,923.96/950,720.02
  6. Step 6: Final answer
    x = 718,973.10

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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.