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Finding the Fourth Proportional to 556,784.64, 834,616.32 and 320,056.32

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Solution

The fourth proportional to 556,784.64, 834,616.32 and 320,056.32 is: 479,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,784.64 : 834,616.32 = 320,056.32 : x
  2. Step 2: Convert to fraction form
    556,784.64/834,616.32 = 320,056.32/x
  3. Step 3: Cross multiply
    556,784.64x = 834,616.32 × 320,056.32
  4. Step 4: Simplify right side
    556,784.64x = 267,124,227,991.14
  5. Step 5: Solve for x
    x = 267,124,227,991.14/556,784.64
  6. Step 6: Final answer
    x = 479,762.21

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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.