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Finding the Fourth Proportional to 556,460.64, 834,594.03 and 256,915.62

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Solution

The fourth proportional to 556,460.64, 834,594.03 and 256,915.62 is: 385,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,460.64 : 834,594.03 = 256,915.62 : x
  2. Step 2: Convert to fraction form
    556,460.64/834,594.03 = 256,915.62/x
  3. Step 3: Cross multiply
    556,460.64x = 834,594.03 × 256,915.62
  4. Step 4: Simplify right side
    556,460.64x = 214,420,242,665.75
  5. Step 5: Solve for x
    x = 214,420,242,665.75/556,460.64
  6. Step 6: Final answer
    x = 385,328.68

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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.