Home / 862,885.52-1,190,822.55-480,915.03

Finding the Fourth Proportional to 862,885.52, 1,190,822.55 and 480,915.03

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Solution

The fourth proportional to 862,885.52, 1,190,822.55 and 480,915.03 is: 663,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,885.52 : 1,190,822.55 = 480,915.03 : x
  2. Step 2: Convert to fraction form
    862,885.52/1,190,822.55 = 480,915.03/x
  3. Step 3: Cross multiply
    862,885.52x = 1,190,822.55 × 480,915.03
  4. Step 4: Simplify right side
    862,885.52x = 572,684,462,357.93
  5. Step 5: Solve for x
    x = 572,684,462,357.93/862,885.52
  6. Step 6: Final answer
    x = 663,685.34

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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.