Home / 646,438.12-968,335.26-526,921

Finding the Fourth Proportional to 646,438.12, 968,335.26 and 526,921

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Solution

The fourth proportional to 646,438.12, 968,335.26 and 526,921 is: 789,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,438.12 : 968,335.26 = 526,921 : x
  2. Step 2: Convert to fraction form
    646,438.12/968,335.26 = 526,921/x
  3. Step 3: Cross multiply
    646,438.12x = 968,335.26 × 526,921
  4. Step 4: Simplify right side
    646,438.12x = 510,236,183,534.46
  5. Step 5: Solve for x
    x = 510,236,183,534.46/646,438.12
  6. Step 6: Final answer
    x = 789,303.98

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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.