Home / 646,526.21-892,142.30-360,072.95

Finding the Fourth Proportional to 646,526.21, 892,142.30 and 360,072.95

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Solution

The fourth proportional to 646,526.21, 892,142.30 and 360,072.95 is: 496,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,526.21 : 892,142.30 = 360,072.95 : x
  2. Step 2: Convert to fraction form
    646,526.21/892,142.30 = 360,072.95/x
  3. Step 3: Cross multiply
    646,526.21x = 892,142.30 × 360,072.95
  4. Step 4: Simplify right side
    646,526.21x = 321,236,306,220.26
  5. Step 5: Solve for x
    x = 321,236,306,220.26/646,526.21
  6. Step 6: Final answer
    x = 496,865.10

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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.