Home / 626,848.65-865,054.38-340,368.66

Finding the Fourth Proportional to 626,848.65, 865,054.38 and 340,368.66

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Solution

The fourth proportional to 626,848.65, 865,054.38 and 340,368.66 is: 469,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,848.65 : 865,054.38 = 340,368.66 : x
  2. Step 2: Convert to fraction form
    626,848.65/865,054.38 = 340,368.66/x
  3. Step 3: Cross multiply
    626,848.65x = 865,054.38 × 340,368.66
  4. Step 4: Simplify right side
    626,848.65x = 294,437,400,147.73
  5. Step 5: Solve for x
    x = 294,437,400,147.73/626,848.65
  6. Step 6: Final answer
    x = 469,710.51

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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.