Home / 779,599.69-1,075,847.57-421,903.69

Finding the Fourth Proportional to 779,599.69, 1,075,847.57 and 421,903.69

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Solution

The fourth proportional to 779,599.69, 1,075,847.57 and 421,903.69 is: 582,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,599.69 : 1,075,847.57 = 421,903.69 : x
  2. Step 2: Convert to fraction form
    779,599.69/1,075,847.57 = 421,903.69/x
  3. Step 3: Cross multiply
    779,599.69x = 1,075,847.57 × 421,903.69
  4. Step 4: Simplify right side
    779,599.69x = 453,904,056,443.54
  5. Step 5: Solve for x
    x = 453,904,056,443.54/779,599.69
  6. Step 6: Final answer
    x = 582,227.09

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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.