Home / 915,374.54-1,263,291.39-507,604.20

Finding the Fourth Proportional to 915,374.54, 1,263,291.39 and 507,604.20

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Solution

The fourth proportional to 915,374.54, 1,263,291.39 and 507,604.20 is: 700,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,374.54 : 1,263,291.39 = 507,604.20 : x
  2. Step 2: Convert to fraction form
    915,374.54/1,263,291.39 = 507,604.20/x
  3. Step 3: Cross multiply
    915,374.54x = 1,263,291.39 × 507,604.20
  4. Step 4: Simplify right side
    915,374.54x = 641,252,015,387.84
  5. Step 5: Solve for x
    x = 641,252,015,387.84/915,374.54
  6. Step 6: Final answer
    x = 700,535.13

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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.