Home / 918,684.92-1,267,827.39-510,828.66

Finding the Fourth Proportional to 918,684.92, 1,267,827.39 and 510,828.66

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Solution

The fourth proportional to 918,684.92, 1,267,827.39 and 510,828.66 is: 704,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,684.92 : 1,267,827.39 = 510,828.66 : x
  2. Step 2: Convert to fraction form
    918,684.92/1,267,827.39 = 510,828.66/x
  3. Step 3: Cross multiply
    918,684.92x = 1,267,827.39 × 510,828.66
  4. Step 4: Simplify right side
    918,684.92x = 647,642,566,745.00
  5. Step 5: Solve for x
    x = 647,642,566,745.00/918,684.92
  6. Step 6: Final answer
    x = 704,967.01

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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.