Home / 730,214.08-1,007,684.32-407,928.80

Finding the Fourth Proportional to 730,214.08, 1,007,684.32 and 407,928.80

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Solution

The fourth proportional to 730,214.08, 1,007,684.32 and 407,928.80 is: 562,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,214.08 : 1,007,684.32 = 407,928.80 : x
  2. Step 2: Convert to fraction form
    730,214.08/1,007,684.32 = 407,928.80/x
  3. Step 3: Cross multiply
    730,214.08x = 1,007,684.32 × 407,928.80
  4. Step 4: Simplify right side
    730,214.08x = 411,063,455,436.42
  5. Step 5: Solve for x
    x = 411,063,455,436.42/730,214.08
  6. Step 6: Final answer
    x = 562,935.54

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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.