Home / 879,201.47-1,213,349.20-492,013.62

Finding the Fourth Proportional to 879,201.47, 1,213,349.20 and 492,013.62

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Solution

The fourth proportional to 879,201.47, 1,213,349.20 and 492,013.62 is: 679,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,201.47 : 1,213,349.20 = 492,013.62 : x
  2. Step 2: Convert to fraction form
    879,201.47/1,213,349.20 = 492,013.62/x
  3. Step 3: Cross multiply
    879,201.47x = 1,213,349.20 × 492,013.62
  4. Step 4: Simplify right side
    879,201.47x = 596,984,330,986.07
  5. Step 5: Solve for x
    x = 596,984,330,986.07/879,201.47
  6. Step 6: Final answer
    x = 679,007.43

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Double scale
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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.