Home / 779,613.94-1,075,867.23-421,917.94

Finding the Fourth Proportional to 779,613.94, 1,075,867.23 and 421,917.94

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Solution

The fourth proportional to 779,613.94, 1,075,867.23 and 421,917.94 is: 582,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,613.94 : 1,075,867.23 = 421,917.94 : x
  2. Step 2: Convert to fraction form
    779,613.94/1,075,867.23 = 421,917.94/x
  3. Step 3: Cross multiply
    779,613.94x = 1,075,867.23 × 421,917.94
  4. Step 4: Simplify right side
    779,613.94x = 453,927,684,287.63
  5. Step 5: Solve for x
    x = 453,927,684,287.63/779,613.94
  6. Step 6: Final answer
    x = 582,246.75

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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.