Home / 469,784.40-648,293.49-265,831.62

Finding the Fourth Proportional to 469,784.40, 648,293.49 and 265,831.62

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Solution

The fourth proportional to 469,784.40, 648,293.49 and 265,831.62 is: 366,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,784.40 : 648,293.49 = 265,831.62 : x
  2. Step 2: Convert to fraction form
    469,784.40/648,293.49 = 265,831.62/x
  3. Step 3: Cross multiply
    469,784.40x = 648,293.49 × 265,831.62
  4. Step 4: Simplify right side
    469,784.40x = 172,336,908,682.15
  5. Step 5: Solve for x
    x = 172,336,908,682.15/469,784.40
  6. Step 6: Final answer
    x = 366,842.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.