Home / 740,515.89-1,110,025.80-291,551.79

Finding the Fourth Proportional to 740,515.89, 1,110,025.80 and 291,551.79

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Solution

The fourth proportional to 740,515.89, 1,110,025.80 and 291,551.79 is: 437,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,515.89 : 1,110,025.80 = 291,551.79 : x
  2. Step 2: Convert to fraction form
    740,515.89/1,110,025.80 = 291,551.79/x
  3. Step 3: Cross multiply
    740,515.89x = 1,110,025.80 × 291,551.79
  4. Step 4: Simplify right side
    740,515.89x = 323,630,008,936.18
  5. Step 5: Solve for x
    x = 323,630,008,936.18/740,515.89
  6. Step 6: Final answer
    x = 437,033.17

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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.