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Finding the Fourth Proportional to 601,740.36, 901,175.76 and 348,485.76

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Solution

The fourth proportional to 601,740.36, 901,175.76 and 348,485.76 is: 521,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,740.36 : 901,175.76 = 348,485.76 : x
  2. Step 2: Convert to fraction form
    601,740.36/901,175.76 = 348,485.76/x
  3. Step 3: Cross multiply
    601,740.36x = 901,175.76 × 348,485.76
  4. Step 4: Simplify right side
    601,740.36x = 314,046,919,617.18
  5. Step 5: Solve for x
    x = 314,046,919,617.18/601,740.36
  6. Step 6: Final answer
    x = 521,897.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.