Home / 988,156.80-1,482,235.20-357,091.20

Finding the Fourth Proportional to 988,156.80, 1,482,235.20 and 357,091.20

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Solution

The fourth proportional to 988,156.80, 1,482,235.20 and 357,091.20 is: 535,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,156.80 : 1,482,235.20 = 357,091.20 : x
  2. Step 2: Convert to fraction form
    988,156.80/1,482,235.20 = 357,091.20/x
  3. Step 3: Cross multiply
    988,156.80x = 1,482,235.20 × 357,091.20
  4. Step 4: Simplify right side
    988,156.80x = 529,293,146,250.24
  5. Step 5: Solve for x
    x = 529,293,146,250.24/988,156.80
  6. Step 6: Final answer
    x = 535,636.80

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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.