Home / 930,737.72-1,396,407.54-457,090.94

Finding the Fourth Proportional to 930,737.72, 1,396,407.54 and 457,090.94

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Solution

The fourth proportional to 930,737.72, 1,396,407.54 and 457,090.94 is: 685,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,737.72 : 1,396,407.54 = 457,090.94 : x
  2. Step 2: Convert to fraction form
    930,737.72/1,396,407.54 = 457,090.94/x
  3. Step 3: Cross multiply
    930,737.72x = 1,396,407.54 × 457,090.94
  4. Step 4: Simplify right side
    930,737.72x = 638,285,235,081.69
  5. Step 5: Solve for x
    x = 638,285,235,081.69/930,737.72
  6. Step 6: Final answer
    x = 685,784.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.