Home / 676,681.47-1,015,020.36-302,442.03

Finding the Fourth Proportional to 676,681.47, 1,015,020.36 and 302,442.03

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Solution

The fourth proportional to 676,681.47, 1,015,020.36 and 302,442.03 is: 453,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,681.47 : 1,015,020.36 = 302,442.03 : x
  2. Step 2: Convert to fraction form
    676,681.47/1,015,020.36 = 302,442.03/x
  3. Step 3: Cross multiply
    676,681.47x = 1,015,020.36 × 302,442.03
  4. Step 4: Simplify right side
    676,681.47x = 306,984,818,169.73
  5. Step 5: Solve for x
    x = 306,984,818,169.73/676,681.47
  6. Step 6: Final answer
    x = 453,662.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.