Home / 935,338.64-1,289,906.52-612,931.64

Finding the Fourth Proportional to 935,338.64, 1,289,906.52 and 612,931.64

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Solution

The fourth proportional to 935,338.64, 1,289,906.52 and 612,931.64 is: 845,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,338.64 : 1,289,906.52 = 612,931.64 : x
  2. Step 2: Convert to fraction form
    935,338.64/1,289,906.52 = 612,931.64/x
  3. Step 3: Cross multiply
    935,338.64x = 1,289,906.52 × 612,931.64
  4. Step 4: Simplify right side
    935,338.64x = 790,624,518,750.29
  5. Step 5: Solve for x
    x = 790,624,518,750.29/935,338.64
  6. Step 6: Final answer
    x = 845,281.57

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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.