Home / 1,525,385.90-2,288,211.70-500,408.76

Finding the Fourth Proportional to 1,525,385.90, 2,288,211.70 and 500,408.76

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Solution

The fourth proportional to 1,525,385.90, 2,288,211.70 and 500,408.76 is: 750,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,385.90 : 2,288,211.70 = 500,408.76 : x
  2. Step 2: Convert to fraction form
    1,525,385.90/2,288,211.70 = 500,408.76/x
  3. Step 3: Cross multiply
    1,525,385.90x = 2,288,211.70 × 500,408.76
  4. Step 4: Simplify right side
    1,525,385.90x = 1,145,041,179,414.49
  5. Step 5: Solve for x
    x = 1,145,041,179,414.49/1,525,385.90
  6. Step 6: Final answer
    x = 750,656.72

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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.