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Finding the Fourth Proportional to 607,666.51, 838,569.54 and 335,745.73

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Solution

The fourth proportional to 607,666.51, 838,569.54 and 335,745.73 is: 463,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,666.51 : 838,569.54 = 335,745.73 : x
  2. Step 2: Convert to fraction form
    607,666.51/838,569.54 = 335,745.73/x
  3. Step 3: Cross multiply
    607,666.51x = 838,569.54 × 335,745.73
  4. Step 4: Simplify right side
    607,666.51x = 281,546,142,363.06
  5. Step 5: Solve for x
    x = 281,546,142,363.06/607,666.51
  6. Step 6: Final answer
    x = 463,323.45

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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.