Home / 710,234.20-1,066,007.40-355,502.80

Finding the Fourth Proportional to 710,234.20, 1,066,007.40 and 355,502.80

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Solution

The fourth proportional to 710,234.20, 1,066,007.40 and 355,502.80 is: 533,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,234.20 : 1,066,007.40 = 355,502.80 : x
  2. Step 2: Convert to fraction form
    710,234.20/1,066,007.40 = 355,502.80/x
  3. Step 3: Cross multiply
    710,234.20x = 1,066,007.40 × 355,502.80
  4. Step 4: Simplify right side
    710,234.20x = 378,968,615,520.72
  5. Step 5: Solve for x
    x = 378,968,615,520.72/710,234.20
  6. Step 6: Final answer
    x = 533,582.61

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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.