Home / 915,520.64-1,263,549.22-507,713.18

Finding the Fourth Proportional to 915,520.64, 1,263,549.22 and 507,713.18

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Solution

The fourth proportional to 915,520.64, 1,263,549.22 and 507,713.18 is: 700,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,520.64 : 1,263,549.22 = 507,713.18 : x
  2. Step 2: Convert to fraction form
    915,520.64/1,263,549.22 = 507,713.18/x
  3. Step 3: Cross multiply
    915,520.64x = 1,263,549.22 × 507,713.18
  4. Step 4: Simplify right side
    915,520.64x = 641,520,592,572.72
  5. Step 5: Solve for x
    x = 641,520,592,572.72/915,520.64
  6. Step 6: Final answer
    x = 700,716.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.