Home / 438,016.96-604,455.42-247,030.48

Finding the Fourth Proportional to 438,016.96, 604,455.42 and 247,030.48

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Solution

The fourth proportional to 438,016.96, 604,455.42 and 247,030.48 is: 340,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,016.96 : 604,455.42 = 247,030.48 : x
  2. Step 2: Convert to fraction form
    438,016.96/604,455.42 = 247,030.48/x
  3. Step 3: Cross multiply
    438,016.96x = 604,455.42 × 247,030.48
  4. Step 4: Simplify right side
    438,016.96x = 149,318,912,541.20
  5. Step 5: Solve for x
    x = 149,318,912,541.20/438,016.96
  6. Step 6: Final answer
    x = 340,897.56

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1.5x scale

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.