Home / 918,918.64-1,377,477.96-514,308.43

Finding the Fourth Proportional to 918,918.64, 1,377,477.96 and 514,308.43

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Solution

The fourth proportional to 918,918.64, 1,377,477.96 and 514,308.43 is: 770,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,918.64 : 1,377,477.96 = 514,308.43 : x
  2. Step 2: Convert to fraction form
    918,918.64/1,377,477.96 = 514,308.43/x
  3. Step 3: Cross multiply
    918,918.64x = 1,377,477.96 × 514,308.43
  4. Step 4: Simplify right side
    918,918.64x = 708,448,526,967.20
  5. Step 5: Solve for x
    x = 708,448,526,967.20/918,918.64
  6. Step 6: Final answer
    x = 770,958.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.