Home / 626,830.65-865,002.04-340,344.18

Finding the Fourth Proportional to 626,830.65, 865,002.04 and 340,344.18

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Solution

The fourth proportional to 626,830.65, 865,002.04 and 340,344.18 is: 469,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,830.65 : 865,002.04 = 340,344.18 : x
  2. Step 2: Convert to fraction form
    626,830.65/865,002.04 = 340,344.18/x
  3. Step 3: Cross multiply
    626,830.65x = 865,002.04 × 340,344.18
  4. Step 4: Simplify right side
    626,830.65x = 294,398,409,151.27
  5. Step 5: Solve for x
    x = 294,398,409,151.27/626,830.65
  6. Step 6: Final answer
    x = 469,661.80

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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.