Home / 626,936.86-865,437.70-423,263.65

Finding the Fourth Proportional to 626,936.86, 865,437.70 and 423,263.65

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Solution

The fourth proportional to 626,936.86, 865,437.70 and 423,263.65 is: 584,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,936.86 : 865,437.70 = 423,263.65 : x
  2. Step 2: Convert to fraction form
    626,936.86/865,437.70 = 423,263.65/x
  3. Step 3: Cross multiply
    626,936.86x = 865,437.70 × 423,263.65
  4. Step 4: Simplify right side
    626,936.86x = 366,308,315,422.42
  5. Step 5: Solve for x
    x = 366,308,315,422.42/626,936.86
  6. Step 6: Final answer
    x = 584,282.63

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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.