Home / 971,947.80-1,457,921.70-617,216.40

Finding the Fourth Proportional to 971,947.80, 1,457,921.70 and 617,216.40

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Solution

The fourth proportional to 971,947.80, 1,457,921.70 and 617,216.40 is: 925,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,947.80 : 1,457,921.70 = 617,216.40 : x
  2. Step 2: Convert to fraction form
    971,947.80/1,457,921.70 = 617,216.40/x
  3. Step 3: Cross multiply
    971,947.80x = 1,457,921.70 × 617,216.40
  4. Step 4: Simplify right side
    971,947.80x = 899,853,183,155.88
  5. Step 5: Solve for x
    x = 899,853,183,155.88/971,947.80
  6. Step 6: Final answer
    x = 925,824.60

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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.