Home / 730,203.12-1,007,644.32-407,849.04

Finding the Fourth Proportional to 730,203.12, 1,007,644.32 and 407,849.04

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Solution

The fourth proportional to 730,203.12, 1,007,644.32 and 407,849.04 is: 562,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,203.12 : 1,007,644.32 = 407,849.04 : x
  2. Step 2: Convert to fraction form
    730,203.12/1,007,644.32 = 407,849.04/x
  3. Step 3: Cross multiply
    730,203.12x = 1,007,644.32 × 407,849.04
  4. Step 4: Simplify right side
    730,203.12x = 410,966,768,573.45
  5. Step 5: Solve for x
    x = 410,966,768,573.45/730,203.12
  6. Step 6: Final answer
    x = 562,811.58

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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.