Home / 715,835.82-1,071,417.24-526,245.96

Finding the Fourth Proportional to 715,835.82, 1,071,417.24 and 526,245.96

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Solution

The fourth proportional to 715,835.82, 1,071,417.24 and 526,245.96 is: 787,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,835.82 : 1,071,417.24 = 526,245.96 : x
  2. Step 2: Convert to fraction form
    715,835.82/1,071,417.24 = 526,245.96/x
  3. Step 3: Cross multiply
    715,835.82x = 1,071,417.24 × 526,245.96
  4. Step 4: Simplify right side
    715,835.82x = 563,828,994,024.35
  5. Step 5: Solve for x
    x = 563,828,994,024.35/715,835.82
  6. Step 6: Final answer
    x = 787,651.27

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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.