Home / 760,569.32-1,141,026.78-405,396.20

Finding the Fourth Proportional to 760,569.32, 1,141,026.78 and 405,396.20

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Solution

The fourth proportional to 760,569.32, 1,141,026.78 and 405,396.20 is: 608,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,569.32 : 1,141,026.78 = 405,396.20 : x
  2. Step 2: Convert to fraction form
    760,569.32/1,141,026.78 = 405,396.20/x
  3. Step 3: Cross multiply
    760,569.32x = 1,141,026.78 × 405,396.20
  4. Step 4: Simplify right side
    760,569.32x = 462,567,920,710.24
  5. Step 5: Solve for x
    x = 462,567,920,710.24/760,569.32
  6. Step 6: Final answer
    x = 608,186.41

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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.