Home / 980,709.41-1,353,369.75-545,115.35

Finding the Fourth Proportional to 980,709.41, 1,353,369.75 and 545,115.35

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Solution

The fourth proportional to 980,709.41, 1,353,369.75 and 545,115.35 is: 752,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,709.41 : 1,353,369.75 = 545,115.35 : x
  2. Step 2: Convert to fraction form
    980,709.41/1,353,369.75 = 545,115.35/x
  3. Step 3: Cross multiply
    980,709.41x = 1,353,369.75 × 545,115.35
  4. Step 4: Simplify right side
    980,709.41x = 737,742,618,183.81
  5. Step 5: Solve for x
    x = 737,742,618,183.81/980,709.41
  6. Step 6: Final answer
    x = 752,254.05

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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.