Home / 947,554.39-1,421,175.86-340,216.98

Finding the Fourth Proportional to 947,554.39, 1,421,175.86 and 340,216.98

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Solution

The fourth proportional to 947,554.39, 1,421,175.86 and 340,216.98 is: 510,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,554.39 : 1,421,175.86 = 340,216.98 : x
  2. Step 2: Convert to fraction form
    947,554.39/1,421,175.86 = 340,216.98/x
  3. Step 3: Cross multiply
    947,554.39x = 1,421,175.86 × 340,216.98
  4. Step 4: Simplify right side
    947,554.39x = 483,508,159,138.10
  5. Step 5: Solve for x
    x = 483,508,159,138.10/947,554.39
  6. Step 6: Final answer
    x = 510,269.56

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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.