Home / 729,994.83-1,007,246.57-407,655.33

Finding the Fourth Proportional to 729,994.83, 1,007,246.57 and 407,655.33

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Solution

The fourth proportional to 729,994.83, 1,007,246.57 and 407,655.33 is: 562,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,994.83 : 1,007,246.57 = 407,655.33 : x
  2. Step 2: Convert to fraction form
    729,994.83/1,007,246.57 = 407,655.33/x
  3. Step 3: Cross multiply
    729,994.83x = 1,007,246.57 × 407,655.33
  4. Step 4: Simplify right side
    729,994.83x = 410,609,430,846.44
  5. Step 5: Solve for x
    x = 410,609,430,846.44/729,994.83
  6. Step 6: Final answer
    x = 562,482.66

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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.