Home / 551,566.64-760,943.09-318,950.59

Finding the Fourth Proportional to 551,566.64, 760,943.09 and 318,950.59

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Solution

The fourth proportional to 551,566.64, 760,943.09 and 318,950.59 is: 440,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,566.64 : 760,943.09 = 318,950.59 : x
  2. Step 2: Convert to fraction form
    551,566.64/760,943.09 = 318,950.59/x
  3. Step 3: Cross multiply
    551,566.64x = 760,943.09 × 318,950.59
  4. Step 4: Simplify right side
    551,566.64x = 242,703,245,011.78
  5. Step 5: Solve for x
    x = 242,703,245,011.78/551,566.64
  6. Step 6: Final answer
    x = 440,025.25

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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.