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Finding the Fourth Proportional to 536,459.28, 740,005.84 and 334,905.36

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Solution

The fourth proportional to 536,459.28, 740,005.84 and 334,905.36 is: 461,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,459.28 : 740,005.84 = 334,905.36 : x
  2. Step 2: Convert to fraction form
    536,459.28/740,005.84 = 334,905.36/x
  3. Step 3: Cross multiply
    536,459.28x = 740,005.84 × 334,905.36
  4. Step 4: Simplify right side
    536,459.28x = 247,831,922,247.30
  5. Step 5: Solve for x
    x = 247,831,922,247.30/536,459.28
  6. Step 6: Final answer
    x = 461,977.14

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1.5x scale

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.