Home / 785,767.14-1,084,329.90-480,355.02

Finding the Fourth Proportional to 785,767.14, 1,084,329.90 and 480,355.02

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Solution

The fourth proportional to 785,767.14, 1,084,329.90 and 480,355.02 is: 662,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,767.14 : 1,084,329.90 = 480,355.02 : x
  2. Step 2: Convert to fraction form
    785,767.14/1,084,329.90 = 480,355.02/x
  3. Step 3: Cross multiply
    785,767.14x = 1,084,329.90 × 480,355.02
  4. Step 4: Simplify right side
    785,767.14x = 520,863,310,801.10
  5. Step 5: Solve for x
    x = 520,863,310,801.10/785,767.14
  6. Step 6: Final answer
    x = 662,872.35

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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.