Home / 915,422.16-1,263,357.44-507,651.90

Finding the Fourth Proportional to 915,422.16, 1,263,357.44 and 507,651.90

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Solution

The fourth proportional to 915,422.16, 1,263,357.44 and 507,651.90 is: 700,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,422.16 : 1,263,357.44 = 507,651.90 : x
  2. Step 2: Convert to fraction form
    915,422.16/1,263,357.44 = 507,651.90/x
  3. Step 3: Cross multiply
    915,422.16x = 1,263,357.44 × 507,651.90
  4. Step 4: Simplify right side
    915,422.16x = 641,345,804,795.14
  5. Step 5: Solve for x
    x = 641,345,804,795.14/915,422.16
  6. Step 6: Final answer
    x = 700,601.14

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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.