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Finding the Fourth Proportional to 553,261.51, 828,600.58 and 425,891.10

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Solution

The fourth proportional to 553,261.51, 828,600.58 and 425,891.10 is: 637,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,261.51 : 828,600.58 = 425,891.10 : x
  2. Step 2: Convert to fraction form
    553,261.51/828,600.58 = 425,891.10/x
  3. Step 3: Cross multiply
    553,261.51x = 828,600.58 × 425,891.10
  4. Step 4: Simplify right side
    553,261.51x = 352,893,612,476.84
  5. Step 5: Solve for x
    x = 352,893,612,476.84/553,261.51
  6. Step 6: Final answer
    x = 637,842.33

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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.