Home / 646,110.71-891,632.82-359,624.65

Finding the Fourth Proportional to 646,110.71, 891,632.82 and 359,624.65

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Solution

The fourth proportional to 646,110.71, 891,632.82 and 359,624.65 is: 496,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,110.71 : 891,632.82 = 359,624.65 : x
  2. Step 2: Convert to fraction form
    646,110.71/891,632.82 = 359,624.65/x
  3. Step 3: Cross multiply
    646,110.71x = 891,632.82 × 359,624.65
  4. Step 4: Simplify right side
    646,110.71x = 320,653,136,362.85
  5. Step 5: Solve for x
    x = 320,653,136,362.85/646,110.71
  6. Step 6: Final answer
    x = 496,282.03

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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.