Home / 660,048.24-989,913.73-304,720.95

Finding the Fourth Proportional to 660,048.24, 989,913.73 and 304,720.95

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Solution

The fourth proportional to 660,048.24, 989,913.73 and 304,720.95 is: 457,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,048.24 : 989,913.73 = 304,720.95 : x
  2. Step 2: Convert to fraction form
    660,048.24/989,913.73 = 304,720.95/x
  3. Step 3: Cross multiply
    660,048.24x = 989,913.73 × 304,720.95
  4. Step 4: Simplify right side
    660,048.24x = 301,647,452,223.64
  5. Step 5: Solve for x
    x = 301,647,452,223.64/660,048.24
  6. Step 6: Final answer
    x = 457,008.19

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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.