Home / 748,667.73-1,033,161.90-409,135.98

Finding the Fourth Proportional to 748,667.73, 1,033,161.90 and 409,135.98

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Solution

The fourth proportional to 748,667.73, 1,033,161.90 and 409,135.98 is: 564,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,667.73 : 1,033,161.90 = 409,135.98 : x
  2. Step 2: Convert to fraction form
    748,667.73/1,033,161.90 = 409,135.98/x
  3. Step 3: Cross multiply
    748,667.73x = 1,033,161.90 × 409,135.98
  4. Step 4: Simplify right side
    748,667.73x = 422,703,706,455.16
  5. Step 5: Solve for x
    x = 422,703,706,455.16/748,667.73
  6. Step 6: Final answer
    x = 564,607.89

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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.