Home / 971,824.80-1,457,737.20-847,408.80

Finding the Fourth Proportional to 971,824.80, 1,457,737.20 and 847,408.80

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Solution

The fourth proportional to 971,824.80, 1,457,737.20 and 847,408.80 is: 1,271,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,824.80 : 1,457,737.20 = 847,408.80 : x
  2. Step 2: Convert to fraction form
    971,824.80/1,457,737.20 = 847,408.80/x
  3. Step 3: Cross multiply
    971,824.80x = 1,457,737.20 × 847,408.80
  4. Step 4: Simplify right side
    971,824.80x = 1,235,299,331,367.36
  5. Step 5: Solve for x
    x = 1,235,299,331,367.36/971,824.80
  6. Step 6: Final answer
    x = 1,271,113.20

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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.