Home / 690,670.41-1,036,712.57-570,343.98

Finding the Fourth Proportional to 690,670.41, 1,036,712.57 and 570,343.98

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Solution

The fourth proportional to 690,670.41, 1,036,712.57 and 570,343.98 is: 856,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,670.41 : 1,036,712.57 = 570,343.98 : x
  2. Step 2: Convert to fraction form
    690,670.41/1,036,712.57 = 570,343.98/x
  3. Step 3: Cross multiply
    690,670.41x = 1,036,712.57 × 570,343.98
  4. Step 4: Simplify right side
    690,670.41x = 591,282,770,438.11
  5. Step 5: Solve for x
    x = 591,282,770,438.11/690,670.41
  6. Step 6: Final answer
    x = 856,099.76

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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.