Home / 891,465.57-1,337,183.78-358,973.19

Finding the Fourth Proportional to 891,465.57, 1,337,183.78 and 358,973.19

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Solution

The fourth proportional to 891,465.57, 1,337,183.78 and 358,973.19 is: 538,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,465.57 : 1,337,183.78 = 358,973.19 : x
  2. Step 2: Convert to fraction form
    891,465.57/1,337,183.78 = 358,973.19/x
  3. Step 3: Cross multiply
    891,465.57x = 1,337,183.78 × 358,973.19
  4. Step 4: Simplify right side
    891,465.57x = 480,013,125,327.99
  5. Step 5: Solve for x
    x = 480,013,125,327.99/891,465.57
  6. Step 6: Final answer
    x = 538,453.91

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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.