Home / 760,568.32-1,141,025.28-405,395.20

Finding the Fourth Proportional to 760,568.32, 1,141,025.28 and 405,395.20

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Solution

The fourth proportional to 760,568.32, 1,141,025.28 and 405,395.20 is: 608,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,568.32 : 1,141,025.28 = 405,395.20 : x
  2. Step 2: Convert to fraction form
    760,568.32/1,141,025.28 = 405,395.20/x
  3. Step 3: Cross multiply
    760,568.32x = 1,141,025.28 × 405,395.20
  4. Step 4: Simplify right side
    760,568.32x = 462,566,171,590.66
  5. Step 5: Solve for x
    x = 462,566,171,590.66/760,568.32
  6. Step 6: Final answer
    x = 608,184.91

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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.