Home / 911,439.14-1,257,747.68-524,225.32

Finding the Fourth Proportional to 911,439.14, 1,257,747.68 and 524,225.32

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Solution

The fourth proportional to 911,439.14, 1,257,747.68 and 524,225.32 is: 723,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,439.14 : 1,257,747.68 = 524,225.32 : x
  2. Step 2: Convert to fraction form
    911,439.14/1,257,747.68 = 524,225.32/x
  3. Step 3: Cross multiply
    911,439.14x = 1,257,747.68 × 524,225.32
  4. Step 4: Simplify right side
    911,439.14x = 659,343,178,193.45
  5. Step 5: Solve for x
    x = 659,343,178,193.45/911,439.14
  6. Step 6: Final answer
    x = 723,408.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.