Home / 746,703.42-1,030,448.82-407,171.67

Finding the Fourth Proportional to 746,703.42, 1,030,448.82 and 407,171.67

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Solution

The fourth proportional to 746,703.42, 1,030,448.82 and 407,171.67 is: 561,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,703.42 : 1,030,448.82 = 407,171.67 : x
  2. Step 2: Convert to fraction form
    746,703.42/1,030,448.82 = 407,171.67/x
  3. Step 3: Cross multiply
    746,703.42x = 1,030,448.82 × 407,171.67
  4. Step 4: Simplify right side
    746,703.42x = 419,569,566,888.93
  5. Step 5: Solve for x
    x = 419,569,566,888.93/746,703.42
  6. Step 6: Final answer
    x = 561,895.87

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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.