Home / 830,645.65-1,146,291.04-448,672.43

Finding the Fourth Proportional to 830,645.65, 1,146,291.04 and 448,672.43

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Solution

The fourth proportional to 830,645.65, 1,146,291.04 and 448,672.43 is: 619,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,645.65 : 1,146,291.04 = 448,672.43 : x
  2. Step 2: Convert to fraction form
    830,645.65/1,146,291.04 = 448,672.43/x
  3. Step 3: Cross multiply
    830,645.65x = 1,146,291.04 × 448,672.43
  4. Step 4: Simplify right side
    830,645.65x = 514,309,188,148.07
  5. Step 5: Solve for x
    x = 514,309,188,148.07/830,645.65
  6. Step 6: Final answer
    x = 619,167.98

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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.