Home / 493,556.35-739,210.95-386,271.24

Finding the Fourth Proportional to 493,556.35, 739,210.95 and 386,271.24

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Solution

The fourth proportional to 493,556.35, 739,210.95 and 386,271.24 is: 578,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,556.35 : 739,210.95 = 386,271.24 : x
  2. Step 2: Convert to fraction form
    493,556.35/739,210.95 = 386,271.24/x
  3. Step 3: Cross multiply
    493,556.35x = 739,210.95 × 386,271.24
  4. Step 4: Simplify right side
    493,556.35x = 285,535,930,278.08
  5. Step 5: Solve for x
    x = 285,535,930,278.08/493,556.35
  6. Step 6: Final answer
    x = 578,527.52

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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.