Home / 942,684.40-1,300,907.28-512,964.64

Finding the Fourth Proportional to 942,684.40, 1,300,907.28 and 512,964.64

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Solution

The fourth proportional to 942,684.40, 1,300,907.28 and 512,964.64 is: 707,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,684.40 : 1,300,907.28 = 512,964.64 : x
  2. Step 2: Convert to fraction form
    942,684.40/1,300,907.28 = 512,964.64/x
  3. Step 3: Cross multiply
    942,684.40x = 1,300,907.28 × 512,964.64
  4. Step 4: Simplify right side
    942,684.40x = 667,319,434,558.58
  5. Step 5: Solve for x
    x = 667,319,434,558.58/942,684.40
  6. Step 6: Final answer
    x = 707,892.73

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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.