Home / 740,909.84-1,110,149.74-314,104.64

Finding the Fourth Proportional to 740,909.84, 1,110,149.74 and 314,104.64

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Solution

The fourth proportional to 740,909.84, 1,110,149.74 and 314,104.64 is: 470,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,909.84 : 1,110,149.74 = 314,104.64 : x
  2. Step 2: Convert to fraction form
    740,909.84/1,110,149.74 = 314,104.64/x
  3. Step 3: Cross multiply
    740,909.84x = 1,110,149.74 × 314,104.64
  4. Step 4: Simplify right side
    740,909.84x = 348,703,184,428.79
  5. Step 5: Solve for x
    x = 348,703,184,428.79/740,909.84
  6. Step 6: Final answer
    x = 470,641.86

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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.