Home / 658,031.12-987,454.92-303,095.60

Finding the Fourth Proportional to 658,031.12, 987,454.92 and 303,095.60

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Solution

The fourth proportional to 658,031.12, 987,454.92 and 303,095.60 is: 454,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,031.12 : 987,454.92 = 303,095.60 : x
  2. Step 2: Convert to fraction form
    658,031.12/987,454.92 = 303,095.60/x
  3. Step 3: Cross multiply
    658,031.12x = 987,454.92 × 303,095.60
  4. Step 4: Simplify right side
    658,031.12x = 299,293,241,450.35
  5. Step 5: Solve for x
    x = 299,293,241,450.35/658,031.12
  6. Step 6: Final answer
    x = 454,831.44

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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.