Home / 918,625.10-1,267,807.48-510,767.42

Finding the Fourth Proportional to 918,625.10, 1,267,807.48 and 510,767.42

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Solution

The fourth proportional to 918,625.10, 1,267,807.48 and 510,767.42 is: 704,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,625.10 : 1,267,807.48 = 510,767.42 : x
  2. Step 2: Convert to fraction form
    918,625.10/1,267,807.48 = 510,767.42/x
  3. Step 3: Cross multiply
    918,625.10x = 1,267,807.48 × 510,767.42
  4. Step 4: Simplify right side
    918,625.10x = 647,554,748,000.35
  5. Step 5: Solve for x
    x = 647,554,748,000.35/918,625.10
  6. Step 6: Final answer
    x = 704,917.33

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1.5x scale

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.