Home / 571,254.20-856,881.30-480,015.80

Finding the Fourth Proportional to 571,254.20, 856,881.30 and 480,015.80

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Solution

The fourth proportional to 571,254.20, 856,881.30 and 480,015.80 is: 720,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,254.20 : 856,881.30 = 480,015.80 : x
  2. Step 2: Convert to fraction form
    571,254.20/856,881.30 = 480,015.80/x
  3. Step 3: Cross multiply
    571,254.20x = 856,881.30 × 480,015.80
  4. Step 4: Simplify right side
    571,254.20x = 411,316,562,724.54
  5. Step 5: Solve for x
    x = 411,316,562,724.54/571,254.20
  6. Step 6: Final answer
    x = 720,023.70

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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.