Home / 760,823.98-1,049,924.22-421,284.94

Finding the Fourth Proportional to 760,823.98, 1,049,924.22 and 421,284.94

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Solution

The fourth proportional to 760,823.98, 1,049,924.22 and 421,284.94 is: 581,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,823.98 : 1,049,924.22 = 421,284.94 : x
  2. Step 2: Convert to fraction form
    760,823.98/1,049,924.22 = 421,284.94/x
  3. Step 3: Cross multiply
    760,823.98x = 1,049,924.22 × 421,284.94
  4. Step 4: Simplify right side
    760,823.98x = 442,317,262,027.25
  5. Step 5: Solve for x
    x = 442,317,262,027.25/760,823.98
  6. Step 6: Final answer
    x = 581,366.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.