Home / 730,205.12-1,007,647.08-407,851.04

Finding the Fourth Proportional to 730,205.12, 1,007,647.08 and 407,851.04

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Solution

The fourth proportional to 730,205.12, 1,007,647.08 and 407,851.04 is: 562,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,205.12 : 1,007,647.08 = 407,851.04 : x
  2. Step 2: Convert to fraction form
    730,205.12/1,007,647.08 = 407,851.04/x
  3. Step 3: Cross multiply
    730,205.12x = 1,007,647.08 × 407,851.04
  4. Step 4: Simplify right side
    730,205.12x = 410,969,909,530.96
  5. Step 5: Solve for x
    x = 410,969,909,530.96/730,205.12
  6. Step 6: Final answer
    x = 562,814.34

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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.