Home / 760,518.55-1,140,774.72-191,900.98

Finding the Fourth Proportional to 760,518.55, 1,140,774.72 and 191,900.98

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Solution

The fourth proportional to 760,518.55, 1,140,774.72 and 191,900.98 is: 287,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,518.55 : 1,140,774.72 = 191,900.98 : x
  2. Step 2: Convert to fraction form
    760,518.55/1,140,774.72 = 191,900.98/x
  3. Step 3: Cross multiply
    760,518.55x = 1,140,774.72 × 191,900.98
  4. Step 4: Simplify right side
    760,518.55x = 218,915,786,727.23
  5. Step 5: Solve for x
    x = 218,915,786,727.23/760,518.55
  6. Step 6: Final answer
    x = 287,850.69

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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.