Home / 729,926.64-1,007,152.64-407,587.14

Finding the Fourth Proportional to 729,926.64, 1,007,152.64 and 407,587.14

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Solution

The fourth proportional to 729,926.64, 1,007,152.64 and 407,587.14 is: 562,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,926.64 : 1,007,152.64 = 407,587.14 : x
  2. Step 2: Convert to fraction form
    729,926.64/1,007,152.64 = 407,587.14/x
  3. Step 3: Cross multiply
    729,926.64x = 1,007,152.64 × 407,587.14
  4. Step 4: Simplify right side
    729,926.64x = 410,502,464,081.05
  5. Step 5: Solve for x
    x = 410,502,464,081.05/729,926.64
  6. Step 6: Final answer
    x = 562,388.66

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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.