Home / 930,907.32-1,284,669.15-517,482.90

Finding the Fourth Proportional to 930,907.32, 1,284,669.15 and 517,482.90

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Solution

The fourth proportional to 930,907.32, 1,284,669.15 and 517,482.90 is: 714,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,907.32 : 1,284,669.15 = 517,482.90 : x
  2. Step 2: Convert to fraction form
    930,907.32/1,284,669.15 = 517,482.90/x
  3. Step 3: Cross multiply
    930,907.32x = 1,284,669.15 × 517,482.90
  4. Step 4: Simplify right side
    930,907.32x = 664,794,317,282.54
  5. Step 5: Solve for x
    x = 664,794,317,282.54/930,907.32
  6. Step 6: Final answer
    x = 714,135.88

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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.