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Finding the Fourth Proportional to 620,610.40, 930,915.60 and 246,633.40

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Solution

The fourth proportional to 620,610.40, 930,915.60 and 246,633.40 is: 369,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,610.40 : 930,915.60 = 246,633.40 : x
  2. Step 2: Convert to fraction form
    620,610.40/930,915.60 = 246,633.40/x
  3. Step 3: Cross multiply
    620,610.40x = 930,915.60 × 246,633.40
  4. Step 4: Simplify right side
    620,610.40x = 229,594,879,541.04
  5. Step 5: Solve for x
    x = 229,594,879,541.04/620,610.40
  6. Step 6: Final answer
    x = 369,950.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.