Home / 915,773.58-1,263,723.12-507,891.60

Finding the Fourth Proportional to 915,773.58, 1,263,723.12 and 507,891.60

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Solution

The fourth proportional to 915,773.58, 1,263,723.12 and 507,891.60 is: 700,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,773.58 : 1,263,723.12 = 507,891.60 : x
  2. Step 2: Convert to fraction form
    915,773.58/1,263,723.12 = 507,891.60/x
  3. Step 3: Cross multiply
    915,773.58x = 1,263,723.12 × 507,891.60
  4. Step 4: Simplify right side
    915,773.58x = 641,834,357,373.79
  5. Step 5: Solve for x
    x = 641,834,357,373.79/915,773.58
  6. Step 6: Final answer
    x = 700,865.77

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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.