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Finding the Fourth Proportional to 934,701.54, 1,401,490.85 and 365,404.59

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Solution

The fourth proportional to 934,701.54, 1,401,490.85 and 365,404.59 is: 547,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,701.54 : 1,401,490.85 = 365,404.59 : x
  2. Step 2: Convert to fraction form
    934,701.54/1,401,490.85 = 365,404.59/x
  3. Step 3: Cross multiply
    934,701.54x = 1,401,490.85 × 365,404.59
  4. Step 4: Simplify right side
    934,701.54x = 512,111,187,605.98
  5. Step 5: Solve for x
    x = 512,111,187,605.98/934,701.54
  6. Step 6: Final answer
    x = 547,887.39

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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.