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Finding the Fourth Proportional to 750,750.93, 1,036,062.09 and 411,219.18

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Solution

The fourth proportional to 750,750.93, 1,036,062.09 and 411,219.18 is: 567,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,750.93 : 1,036,062.09 = 411,219.18 : x
  2. Step 2: Convert to fraction form
    750,750.93/1,036,062.09 = 411,219.18/x
  3. Step 3: Cross multiply
    750,750.93x = 1,036,062.09 × 411,219.18
  4. Step 4: Simplify right side
    750,750.93x = 426,048,603,078.89
  5. Step 5: Solve for x
    x = 426,048,603,078.89/750,750.93
  6. Step 6: Final answer
    x = 567,496.60

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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.