Home / 760,144.96-1,140,522-286,964.56

Finding the Fourth Proportional to 760,144.96, 1,140,522 and 286,964.56

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Solution

The fourth proportional to 760,144.96, 1,140,522 and 286,964.56 is: 430,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,144.96 : 1,140,522 = 286,964.56 : x
  2. Step 2: Convert to fraction form
    760,144.96/1,140,522 = 286,964.56/x
  3. Step 3: Cross multiply
    760,144.96x = 1,140,522 × 286,964.56
  4. Step 4: Simplify right side
    760,144.96x = 327,289,393,900.32
  5. Step 5: Solve for x
    x = 327,289,393,900.32/760,144.96
  6. Step 6: Final answer
    x = 430,561.82

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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.