Home / 934,107.70-1,400,967.15-260,014.90

Finding the Fourth Proportional to 934,107.70, 1,400,967.15 and 260,014.90

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Solution

The fourth proportional to 934,107.70, 1,400,967.15 and 260,014.90 is: 389,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,107.70 : 1,400,967.15 = 260,014.90 : x
  2. Step 2: Convert to fraction form
    934,107.70/1,400,967.15 = 260,014.90/x
  3. Step 3: Cross multiply
    934,107.70x = 1,400,967.15 × 260,014.90
  4. Step 4: Simplify right side
    934,107.70x = 364,272,333,410.54
  5. Step 5: Solve for x
    x = 364,272,333,410.54/934,107.70
  6. Step 6: Final answer
    x = 389,968.24

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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.