Home / 464,025.60-696,038.40-285,955.20

Finding the Fourth Proportional to 464,025.60, 696,038.40 and 285,955.20

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Solution

The fourth proportional to 464,025.60, 696,038.40 and 285,955.20 is: 428,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,025.60 : 696,038.40 = 285,955.20 : x
  2. Step 2: Convert to fraction form
    464,025.60/696,038.40 = 285,955.20/x
  3. Step 3: Cross multiply
    464,025.60x = 696,038.40 × 285,955.20
  4. Step 4: Simplify right side
    464,025.60x = 199,035,799,879.68
  5. Step 5: Solve for x
    x = 199,035,799,879.68/464,025.60
  6. Step 6: Final answer
    x = 428,932.80

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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.