Home / 806,614.80-1,209,922.20-245,576.40

Finding the Fourth Proportional to 806,614.80, 1,209,922.20 and 245,576.40

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Solution

The fourth proportional to 806,614.80, 1,209,922.20 and 245,576.40 is: 368,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,614.80 : 1,209,922.20 = 245,576.40 : x
  2. Step 2: Convert to fraction form
    806,614.80/1,209,922.20 = 245,576.40/x
  3. Step 3: Cross multiply
    806,614.80x = 1,209,922.20 × 245,576.40
  4. Step 4: Simplify right side
    806,614.80x = 297,128,338,156.08
  5. Step 5: Solve for x
    x = 297,128,338,156.08/806,614.80
  6. Step 6: Final answer
    x = 368,364.60

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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.