Home / 760,579.84-1,140,532.80-405,527.68

Finding the Fourth Proportional to 760,579.84, 1,140,532.80 and 405,527.68

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Solution

The fourth proportional to 760,579.84, 1,140,532.80 and 405,527.68 is: 608,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,579.84 : 1,140,532.80 = 405,527.68 : x
  2. Step 2: Convert to fraction form
    760,579.84/1,140,532.80 = 405,527.68/x
  3. Step 3: Cross multiply
    760,579.84x = 1,140,532.80 × 405,527.68
  4. Step 4: Simplify right side
    760,579.84x = 462,517,620,347.90
  5. Step 5: Solve for x
    x = 462,517,620,347.90/760,579.84
  6. Step 6: Final answer
    x = 608,111.86

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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.