Home / 918,511.20-1,375,309.20-584,277.60

Finding the Fourth Proportional to 918,511.20, 1,375,309.20 and 584,277.60

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Solution

The fourth proportional to 918,511.20, 1,375,309.20 and 584,277.60 is: 874,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,511.20 : 1,375,309.20 = 584,277.60 : x
  2. Step 2: Convert to fraction form
    918,511.20/1,375,309.20 = 584,277.60/x
  3. Step 3: Cross multiply
    918,511.20x = 1,375,309.20 × 584,277.60
  4. Step 4: Simplify right side
    918,511.20x = 803,562,358,633.92
  5. Step 5: Solve for x
    x = 803,562,358,633.92/918,511.20
  6. Step 6: Final answer
    x = 874,853.09

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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.