Home / 918,968.18-1,377,933.87-357,359.54

Finding the Fourth Proportional to 918,968.18, 1,377,933.87 and 357,359.54

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Solution

The fourth proportional to 918,968.18, 1,377,933.87 and 357,359.54 is: 535,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,968.18 : 1,377,933.87 = 357,359.54 : x
  2. Step 2: Convert to fraction form
    918,968.18/1,377,933.87 = 357,359.54/x
  3. Step 3: Cross multiply
    918,968.18x = 1,377,933.87 × 357,359.54
  4. Step 4: Simplify right side
    918,968.18x = 492,417,813,933.62
  5. Step 5: Solve for x
    x = 492,417,813,933.62/918,968.18
  6. Step 6: Final answer
    x = 535,837.72

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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.