Home / 719,166.60-1,079,412.48-364,428.72

Finding the Fourth Proportional to 719,166.60, 1,079,412.48 and 364,428.72

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Solution

The fourth proportional to 719,166.60, 1,079,412.48 and 364,428.72 is: 546,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,166.60 : 1,079,412.48 = 364,428.72 : x
  2. Step 2: Convert to fraction form
    719,166.60/1,079,412.48 = 364,428.72/x
  3. Step 3: Cross multiply
    719,166.60x = 1,079,412.48 × 364,428.72
  4. Step 4: Simplify right side
    719,166.60x = 393,368,908,438.43
  5. Step 5: Solve for x
    x = 393,368,908,438.43/719,166.60
  6. Step 6: Final answer
    x = 546,978.83

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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.