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Finding the Fourth Proportional to 553,260.51, 828,599.09 and 425,890.10

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Solution

The fourth proportional to 553,260.51, 828,599.09 and 425,890.10 is: 637,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,260.51 : 828,599.09 = 425,890.10 : x
  2. Step 2: Convert to fraction form
    553,260.51/828,599.09 = 425,890.10/x
  3. Step 3: Cross multiply
    553,260.51x = 828,599.09 × 425,890.10
  4. Step 4: Simplify right side
    553,260.51x = 352,892,149,242.06
  5. Step 5: Solve for x
    x = 352,892,149,242.06/553,260.51
  6. Step 6: Final answer
    x = 637,840.84

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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.