Home / 508,024.20-761,258.70-480,030.60

Finding the Fourth Proportional to 508,024.20, 761,258.70 and 480,030.60

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Solution

The fourth proportional to 508,024.20, 761,258.70 and 480,030.60 is: 719,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,024.20 : 761,258.70 = 480,030.60 : x
  2. Step 2: Convert to fraction form
    508,024.20/761,258.70 = 480,030.60/x
  3. Step 3: Cross multiply
    508,024.20x = 761,258.70 × 480,030.60
  4. Step 4: Simplify right side
    508,024.20x = 365,427,470,516.22
  5. Step 5: Solve for x
    x = 365,427,470,516.22/508,024.20
  6. Step 6: Final answer
    x = 719,311.15

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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.