Home / 776,655.18-1,165,115.61-355,967.10

Finding the Fourth Proportional to 776,655.18, 1,165,115.61 and 355,967.10

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Solution

The fourth proportional to 776,655.18, 1,165,115.61 and 355,967.10 is: 534,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,655.18 : 1,165,115.61 = 355,967.10 : x
  2. Step 2: Convert to fraction form
    776,655.18/1,165,115.61 = 355,967.10/x
  3. Step 3: Cross multiply
    776,655.18x = 1,165,115.61 × 355,967.10
  4. Step 4: Simplify right side
    776,655.18x = 414,742,824,856.43
  5. Step 5: Solve for x
    x = 414,742,824,856.43/776,655.18
  6. Step 6: Final answer
    x = 534,011.54

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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.