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Finding the Fourth Proportional to 602,054.40, 901,310.08 and 401,878.29

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Solution

The fourth proportional to 602,054.40, 901,310.08 and 401,878.29 is: 601,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,054.40 : 901,310.08 = 401,878.29 : x
  2. Step 2: Convert to fraction form
    602,054.40/901,310.08 = 401,878.29/x
  3. Step 3: Cross multiply
    602,054.40x = 901,310.08 × 401,878.29
  4. Step 4: Simplify right side
    602,054.40x = 362,216,953,710.16
  5. Step 5: Solve for x
    x = 362,216,953,710.16/602,054.40
  6. Step 6: Final answer
    x = 601,634.92

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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.