Home / 876,624.40-1,316,491.80-677,429.20

Finding the Fourth Proportional to 876,624.40, 1,316,491.80 and 677,429.20

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Solution

The fourth proportional to 876,624.40, 1,316,491.80 and 677,429.20 is: 1,017,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,624.40 : 1,316,491.80 = 677,429.20 : x
  2. Step 2: Convert to fraction form
    876,624.40/1,316,491.80 = 677,429.20/x
  3. Step 3: Cross multiply
    876,624.40x = 1,316,491.80 × 677,429.20
  4. Step 4: Simplify right side
    876,624.40x = 891,829,986,880.56
  5. Step 5: Solve for x
    x = 891,829,986,880.56/876,624.40
  6. Step 6: Final answer
    x = 1,017,345.61

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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.