Home / 629,926.71-869,320.73-358,006.07

Finding the Fourth Proportional to 629,926.71, 869,320.73 and 358,006.07

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Solution

The fourth proportional to 629,926.71, 869,320.73 and 358,006.07 is: 494,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,926.71 : 869,320.73 = 358,006.07 : x
  2. Step 2: Convert to fraction form
    629,926.71/869,320.73 = 358,006.07/x
  3. Step 3: Cross multiply
    629,926.71x = 869,320.73 × 358,006.07
  4. Step 4: Simplify right side
    629,926.71x = 311,222,098,116.83
  5. Step 5: Solve for x
    x = 311,222,098,116.83/629,926.71
  6. Step 6: Final answer
    x = 494,060.81

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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.