Home / 716,947.20-1,076,198.40-402,019.20

Finding the Fourth Proportional to 716,947.20, 1,076,198.40 and 402,019.20

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Solution

The fourth proportional to 716,947.20, 1,076,198.40 and 402,019.20 is: 603,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,947.20 : 1,076,198.40 = 402,019.20 : x
  2. Step 2: Convert to fraction form
    716,947.20/1,076,198.40 = 402,019.20/x
  3. Step 3: Cross multiply
    716,947.20x = 1,076,198.40 × 402,019.20
  4. Step 4: Simplify right side
    716,947.20x = 432,652,419,809.28
  5. Step 5: Solve for x
    x = 432,652,419,809.28/716,947.20
  6. Step 6: Final answer
    x = 603,464.83

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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.