Home / 968,947.20-1,453,939.20-408,038.40

Finding the Fourth Proportional to 968,947.20, 1,453,939.20 and 408,038.40

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Solution

The fourth proportional to 968,947.20, 1,453,939.20 and 408,038.40 is: 612,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,947.20 : 1,453,939.20 = 408,038.40 : x
  2. Step 2: Convert to fraction form
    968,947.20/1,453,939.20 = 408,038.40/x
  3. Step 3: Cross multiply
    968,947.20x = 1,453,939.20 × 408,038.40
  4. Step 4: Simplify right side
    968,947.20x = 593,263,024,865.28
  5. Step 5: Solve for x
    x = 593,263,024,865.28/968,947.20
  6. Step 6: Final answer
    x = 612,275.91

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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.