Home / 626,384.15-864,412.45-339,904.29

Finding the Fourth Proportional to 626,384.15, 864,412.45 and 339,904.29

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Solution

The fourth proportional to 626,384.15, 864,412.45 and 339,904.29 is: 469,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,384.15 : 864,412.45 = 339,904.29 : x
  2. Step 2: Convert to fraction form
    626,384.15/864,412.45 = 339,904.29/x
  3. Step 3: Cross multiply
    626,384.15x = 864,412.45 × 339,904.29
  4. Step 4: Simplify right side
    626,384.15x = 293,817,499,234.65
  5. Step 5: Solve for x
    x = 293,817,499,234.65/626,384.15
  6. Step 6: Final answer
    x = 469,069.18

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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.