Home / 970,314.81-1,339,003.05-556,919.64

Finding the Fourth Proportional to 970,314.81, 1,339,003.05 and 556,919.64

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Solution

The fourth proportional to 970,314.81, 1,339,003.05 and 556,919.64 is: 768,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,314.81 : 1,339,003.05 = 556,919.64 : x
  2. Step 2: Convert to fraction form
    970,314.81/1,339,003.05 = 556,919.64/x
  3. Step 3: Cross multiply
    970,314.81x = 1,339,003.05 × 556,919.64
  4. Step 4: Simplify right side
    970,314.81x = 745,717,096,564.90
  5. Step 5: Solve for x
    x = 745,717,096,564.90/970,314.81
  6. Step 6: Final answer
    x = 768,531.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.