Home / 715,818.70-1,071,391.60-526,228.88

Finding the Fourth Proportional to 715,818.70, 1,071,391.60 and 526,228.88

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Solution

The fourth proportional to 715,818.70, 1,071,391.60 and 526,228.88 is: 787,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,818.70 : 1,071,391.60 = 526,228.88 : x
  2. Step 2: Convert to fraction form
    715,818.70/1,071,391.60 = 526,228.88/x
  3. Step 3: Cross multiply
    715,818.70x = 1,071,391.60 × 526,228.88
  4. Step 4: Simplify right side
    715,818.70x = 563,797,201,709.41
  5. Step 5: Solve for x
    x = 563,797,201,709.41/715,818.70
  6. Step 6: Final answer
    x = 787,625.70

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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.