Home / 779,508.94-1,075,725.58-421,812.94

Finding the Fourth Proportional to 779,508.94, 1,075,725.58 and 421,812.94

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Solution

The fourth proportional to 779,508.94, 1,075,725.58 and 421,812.94 is: 582,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,508.94 : 1,075,725.58 = 421,812.94 : x
  2. Step 2: Convert to fraction form
    779,508.94/1,075,725.58 = 421,812.94/x
  3. Step 3: Cross multiply
    779,508.94x = 1,075,725.58 × 421,812.94
  4. Step 4: Simplify right side
    779,508.94x = 453,754,965,789.16
  5. Step 5: Solve for x
    x = 453,754,965,789.16/779,508.94
  6. Step 6: Final answer
    x = 582,103.61

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1.5x scale

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.