Home / 447,806.16-618,095.88-304,805.52

Finding the Fourth Proportional to 447,806.16, 618,095.88 and 304,805.52

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Solution

The fourth proportional to 447,806.16, 618,095.88 and 304,805.52 is: 420,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,806.16 : 618,095.88 = 304,805.52 : x
  2. Step 2: Convert to fraction form
    447,806.16/618,095.88 = 304,805.52/x
  3. Step 3: Cross multiply
    447,806.16x = 618,095.88 × 304,805.52
  4. Step 4: Simplify right side
    447,806.16x = 188,399,036,113.26
  5. Step 5: Solve for x
    x = 188,399,036,113.26/447,806.16
  6. Step 6: Final answer
    x = 420,715.60

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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.