Home / 970,338.39-1,339,076.14-534,771.67

Finding the Fourth Proportional to 970,338.39, 1,339,076.14 and 534,771.67

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Solution

The fourth proportional to 970,338.39, 1,339,076.14 and 534,771.67 is: 737,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,338.39 : 1,339,076.14 = 534,771.67 : x
  2. Step 2: Convert to fraction form
    970,338.39/1,339,076.14 = 534,771.67/x
  3. Step 3: Cross multiply
    970,338.39x = 1,339,076.14 × 534,771.67
  4. Step 4: Simplify right side
    970,338.39x = 716,099,980,129.89
  5. Step 5: Solve for x
    x = 716,099,980,129.89/970,338.39
  6. Step 6: Final answer
    x = 737,989.95

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1.5x scale

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.