Home / 787,148.23-1,179,973.98-307,683.33

Finding the Fourth Proportional to 787,148.23, 1,179,973.98 and 307,683.33

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Solution

The fourth proportional to 787,148.23, 1,179,973.98 and 307,683.33 is: 461,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,148.23 : 1,179,973.98 = 307,683.33 : x
  2. Step 2: Convert to fraction form
    787,148.23/1,179,973.98 = 307,683.33/x
  3. Step 3: Cross multiply
    787,148.23x = 1,179,973.98 × 307,683.33
  4. Step 4: Simplify right side
    787,148.23x = 363,058,329,010.88
  5. Step 5: Solve for x
    x = 363,058,329,010.88/787,148.23
  6. Step 6: Final answer
    x = 461,232.48

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Double scale
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1.5x scale

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.