Home / 730,209.81-1,007,684.44-407,919.81

Finding the Fourth Proportional to 730,209.81, 1,007,684.44 and 407,919.81

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Solution

The fourth proportional to 730,209.81, 1,007,684.44 and 407,919.81 is: 562,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,209.81 : 1,007,684.44 = 407,919.81 : x
  2. Step 2: Convert to fraction form
    730,209.81/1,007,684.44 = 407,919.81/x
  3. Step 3: Cross multiply
    730,209.81x = 1,007,684.44 × 407,919.81
  4. Step 4: Simplify right side
    730,209.81x = 411,054,444,284.96
  5. Step 5: Solve for x
    x = 411,054,444,284.96/730,209.81
  6. Step 6: Final answer
    x = 562,926.49

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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.