Home / 746,603.03-1,030,313.21-407,071.28

Finding the Fourth Proportional to 746,603.03, 1,030,313.21 and 407,071.28

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Solution

The fourth proportional to 746,603.03, 1,030,313.21 and 407,071.28 is: 561,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,603.03 : 1,030,313.21 = 407,071.28 : x
  2. Step 2: Convert to fraction form
    746,603.03/1,030,313.21 = 407,071.28/x
  3. Step 3: Cross multiply
    746,603.03x = 1,030,313.21 × 407,071.28
  4. Step 4: Simplify right side
    746,603.03x = 419,410,910,008.69
  5. Step 5: Solve for x
    x = 419,410,910,008.69/746,603.03
  6. Step 6: Final answer
    x = 561,758.92

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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.