Home / 827,281.20-1,239,609.60-546,470.40

Finding the Fourth Proportional to 827,281.20, 1,239,609.60 and 546,470.40

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Solution

The fourth proportional to 827,281.20, 1,239,609.60 and 546,470.40 is: 818,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,281.20 : 1,239,609.60 = 546,470.40 : x
  2. Step 2: Convert to fraction form
    827,281.20/1,239,609.60 = 546,470.40/x
  3. Step 3: Cross multiply
    827,281.20x = 1,239,609.60 × 546,470.40
  4. Step 4: Simplify right side
    827,281.20x = 677,409,953,955.84
  5. Step 5: Solve for x
    x = 677,409,953,955.84/827,281.20
  6. Step 6: Final answer
    x = 818,838.81

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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.