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Finding the Fourth Proportional to 664,611.04, 917,178.96 and 362,807.20

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Solution

The fourth proportional to 664,611.04, 917,178.96 and 362,807.20 is: 500,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,611.04 : 917,178.96 = 362,807.20 : x
  2. Step 2: Convert to fraction form
    664,611.04/917,178.96 = 362,807.20/x
  3. Step 3: Cross multiply
    664,611.04x = 917,178.96 × 362,807.20
  4. Step 4: Simplify right side
    664,611.04x = 332,759,130,376.51
  5. Step 5: Solve for x
    x = 332,759,130,376.51/664,611.04
  6. Step 6: Final answer
    x = 500,682.52

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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.