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Finding the Fourth Proportional to 501,683.07, 692,322.63 and 300,479.07

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Solution

The fourth proportional to 501,683.07, 692,322.63 and 300,479.07 is: 414,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,683.07 : 692,322.63 = 300,479.07 : x
  2. Step 2: Convert to fraction form
    501,683.07/692,322.63 = 300,479.07/x
  3. Step 3: Cross multiply
    501,683.07x = 692,322.63 × 300,479.07
  4. Step 4: Simplify right side
    501,683.07x = 208,028,460,002.35
  5. Step 5: Solve for x
    x = 208,028,460,002.35/501,683.07
  6. Step 6: Final answer
    x = 414,661.11

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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.