Home / 918,533.22-1,267,619.12-510,641.87

Finding the Fourth Proportional to 918,533.22, 1,267,619.12 and 510,641.87

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Solution

The fourth proportional to 918,533.22, 1,267,619.12 and 510,641.87 is: 704,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,533.22 : 1,267,619.12 = 510,641.87 : x
  2. Step 2: Convert to fraction form
    918,533.22/1,267,619.12 = 510,641.87/x
  3. Step 3: Cross multiply
    918,533.22x = 1,267,619.12 × 510,641.87
  4. Step 4: Simplify right side
    918,533.22x = 647,299,388,993.25
  5. Step 5: Solve for x
    x = 647,299,388,993.25/918,533.22
  6. Step 6: Final answer
    x = 704,709.83

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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.