Home / 912,562.00-1,368,990.62-380,136.85

Finding the Fourth Proportional to 912,562.00, 1,368,990.62 and 380,136.85

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Solution

The fourth proportional to 912,562.00, 1,368,990.62 and 380,136.85 is: 570,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,562.00 : 1,368,990.62 = 380,136.85 : x
  2. Step 2: Convert to fraction form
    912,562.00/1,368,990.62 = 380,136.85/x
  3. Step 3: Cross multiply
    912,562.00x = 1,368,990.62 × 380,136.85
  4. Step 4: Simplify right side
    912,562.00x = 520,403,778,068.70
  5. Step 5: Solve for x
    x = 520,403,778,068.70/912,562.00
  6. Step 6: Final answer
    x = 570,266.76

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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.