Home / 876,615.40-1,314,966.30-456,711.40

Finding the Fourth Proportional to 876,615.40, 1,314,966.30 and 456,711.40

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Solution

The fourth proportional to 876,615.40, 1,314,966.30 and 456,711.40 is: 685,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,615.40 : 1,314,966.30 = 456,711.40 : x
  2. Step 2: Convert to fraction form
    876,615.40/1,314,966.30 = 456,711.40/x
  3. Step 3: Cross multiply
    876,615.40x = 1,314,966.30 × 456,711.40
  4. Step 4: Simplify right side
    876,615.40x = 600,560,099,825.82
  5. Step 5: Solve for x
    x = 600,560,099,825.82/876,615.40
  6. Step 6: Final answer
    x = 685,089.61

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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.