Home / 948,927.87-1,309,536.86-519,245.55

Finding the Fourth Proportional to 948,927.87, 1,309,536.86 and 519,245.55

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Solution

The fourth proportional to 948,927.87, 1,309,536.86 and 519,245.55 is: 716,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,927.87 : 1,309,536.86 = 519,245.55 : x
  2. Step 2: Convert to fraction form
    948,927.87/1,309,536.86 = 519,245.55/x
  3. Step 3: Cross multiply
    948,927.87x = 1,309,536.86 × 519,245.55
  4. Step 4: Simplify right side
    948,927.87x = 679,971,184,519.75
  5. Step 5: Solve for x
    x = 679,971,184,519.75/948,927.87
  6. Step 6: Final answer
    x = 716,567.83

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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.