Home / 748,305.76-1,032,623.40-408,708.40

Finding the Fourth Proportional to 748,305.76, 1,032,623.40 and 408,708.40

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Solution

The fourth proportional to 748,305.76, 1,032,623.40 and 408,708.40 is: 563,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,305.76 : 1,032,623.40 = 408,708.40 : x
  2. Step 2: Convert to fraction form
    748,305.76/1,032,623.40 = 408,708.40/x
  3. Step 3: Cross multiply
    748,305.76x = 1,032,623.40 × 408,708.40
  4. Step 4: Simplify right side
    748,305.76x = 422,041,857,616.56
  5. Step 5: Solve for x
    x = 422,041,857,616.56/748,305.76
  6. Step 6: Final answer
    x = 563,996.54

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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.