Home / 730,101.40-1,007,529.24-407,815.90

Finding the Fourth Proportional to 730,101.40, 1,007,529.24 and 407,815.90

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Solution

The fourth proportional to 730,101.40, 1,007,529.24 and 407,815.90 is: 562,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,101.40 : 1,007,529.24 = 407,815.90 : x
  2. Step 2: Convert to fraction form
    730,101.40/1,007,529.24 = 407,815.90/x
  3. Step 3: Cross multiply
    730,101.40x = 1,007,529.24 × 407,815.90
  4. Step 4: Simplify right side
    730,101.40x = 410,886,443,786.92
  5. Step 5: Solve for x
    x = 410,886,443,786.92/730,101.40
  6. Step 6: Final answer
    x = 562,779.97

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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.