Home / 760,185.72-1,140,286.50-310,599.54

Finding the Fourth Proportional to 760,185.72, 1,140,286.50 and 310,599.54

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Solution

The fourth proportional to 760,185.72, 1,140,286.50 and 310,599.54 is: 465,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,185.72 : 1,140,286.50 = 310,599.54 : x
  2. Step 2: Convert to fraction form
    760,185.72/1,140,286.50 = 310,599.54/x
  3. Step 3: Cross multiply
    760,185.72x = 1,140,286.50 × 310,599.54
  4. Step 4: Simplify right side
    760,185.72x = 354,172,462,368.21
  5. Step 5: Solve for x
    x = 354,172,462,368.21/760,185.72
  6. Step 6: Final answer
    x = 465,902.55

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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.