Home / 918,415.76-1,267,492.22-510,596.96

Finding the Fourth Proportional to 918,415.76, 1,267,492.22 and 510,596.96

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Solution

The fourth proportional to 918,415.76, 1,267,492.22 and 510,596.96 is: 704,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,415.76 : 1,267,492.22 = 510,596.96 : x
  2. Step 2: Convert to fraction form
    918,415.76/1,267,492.22 = 510,596.96/x
  3. Step 3: Cross multiply
    918,415.76x = 1,267,492.22 × 510,596.96
  4. Step 4: Simplify right side
    918,415.76x = 647,177,674,355.65
  5. Step 5: Solve for x
    x = 647,177,674,355.65/918,415.76
  6. Step 6: Final answer
    x = 704,667.43

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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.