Home / 920,932.18-1,270,867.26-513,033.46

Finding the Fourth Proportional to 920,932.18, 1,270,867.26 and 513,033.46

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Solution

The fourth proportional to 920,932.18, 1,270,867.26 and 513,033.46 is: 707,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,932.18 : 1,270,867.26 = 513,033.46 : x
  2. Step 2: Convert to fraction form
    920,932.18/1,270,867.26 = 513,033.46/x
  3. Step 3: Cross multiply
    920,932.18x = 1,270,867.26 × 513,033.46
  4. Step 4: Simplify right side
    920,932.18x = 651,997,427,598.52
  5. Step 5: Solve for x
    x = 651,997,427,598.52/920,932.18
  6. Step 6: Final answer
    x = 707,975.51

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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.