Home / 760,362.26-1,049,333.01-420,830.42

Finding the Fourth Proportional to 760,362.26, 1,049,333.01 and 420,830.42

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Solution

The fourth proportional to 760,362.26, 1,049,333.01 and 420,830.42 is: 580,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,362.26 : 1,049,333.01 = 420,830.42 : x
  2. Step 2: Convert to fraction form
    760,362.26/1,049,333.01 = 420,830.42/x
  3. Step 3: Cross multiply
    760,362.26x = 1,049,333.01 × 420,830.42
  4. Step 4: Simplify right side
    760,362.26x = 441,591,251,318.16
  5. Step 5: Solve for x
    x = 441,591,251,318.16/760,362.26
  6. Step 6: Final answer
    x = 580,764.29

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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.