Home / 934,108.70-1,400,968.65-260,015.90

Finding the Fourth Proportional to 934,108.70, 1,400,968.65 and 260,015.90

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Solution

The fourth proportional to 934,108.70, 1,400,968.65 and 260,015.90 is: 389,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,108.70 : 1,400,968.65 = 260,015.90 : x
  2. Step 2: Convert to fraction form
    934,108.70/1,400,968.65 = 260,015.90/x
  3. Step 3: Cross multiply
    934,108.70x = 1,400,968.65 × 260,015.90
  4. Step 4: Simplify right side
    934,108.70x = 364,274,124,401.54
  5. Step 5: Solve for x
    x = 364,274,124,401.54/934,108.70
  6. Step 6: Final answer
    x = 389,969.74

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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.