Home / 993,025.20-1,488,371.40-459,419.16

Finding the Fourth Proportional to 993,025.20, 1,488,371.40 and 459,419.16

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Solution

The fourth proportional to 993,025.20, 1,488,371.40 and 459,419.16 is: 688,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,025.20 : 1,488,371.40 = 459,419.16 : x
  2. Step 2: Convert to fraction form
    993,025.20/1,488,371.40 = 459,419.16/x
  3. Step 3: Cross multiply
    993,025.20x = 1,488,371.40 × 459,419.16
  4. Step 4: Simplify right side
    993,025.20x = 683,786,338,356.02
  5. Step 5: Solve for x
    x = 683,786,338,356.02/993,025.20
  6. Step 6: Final answer
    x = 688,589.11

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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.