Home / 729,841.32-1,007,182.44-407,550.42

Finding the Fourth Proportional to 729,841.32, 1,007,182.44 and 407,550.42

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Solution

The fourth proportional to 729,841.32, 1,007,182.44 and 407,550.42 is: 562,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,841.32 : 1,007,182.44 = 407,550.42 : x
  2. Step 2: Convert to fraction form
    729,841.32/1,007,182.44 = 407,550.42/x
  3. Step 3: Cross multiply
    729,841.32x = 1,007,182.44 × 407,550.42
  4. Step 4: Simplify right side
    729,841.32x = 410,477,626,438.63
  5. Step 5: Solve for x
    x = 410,477,626,438.63/729,841.32
  6. Step 6: Final answer
    x = 562,420.37

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Double scale
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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.