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Finding the Fourth Proportional to 602,856.32, 831,911.64 and 348,192.32

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Solution

The fourth proportional to 602,856.32, 831,911.64 and 348,192.32 is: 480,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,856.32 : 831,911.64 = 348,192.32 : x
  2. Step 2: Convert to fraction form
    602,856.32/831,911.64 = 348,192.32/x
  3. Step 3: Cross multiply
    602,856.32x = 831,911.64 × 348,192.32
  4. Step 4: Simplify right side
    602,856.32x = 289,665,239,807.05
  5. Step 5: Solve for x
    x = 289,665,239,807.05/602,856.32
  6. Step 6: Final answer
    x = 480,488.02

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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.