Home / 760,087.72-1,139,749.98-254,474.92

Finding the Fourth Proportional to 760,087.72, 1,139,749.98 and 254,474.92

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Solution

The fourth proportional to 760,087.72, 1,139,749.98 and 254,474.92 is: 381,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,087.72 : 1,139,749.98 = 254,474.92 : x
  2. Step 2: Convert to fraction form
    760,087.72/1,139,749.98 = 254,474.92/x
  3. Step 3: Cross multiply
    760,087.72x = 1,139,749.98 × 254,474.92
  4. Step 4: Simplify right side
    760,087.72x = 290,037,784,980.50
  5. Step 5: Solve for x
    x = 290,037,784,980.50/760,087.72
  6. Step 6: Final answer
    x = 381,584.62

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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.