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Finding the Fourth Proportional to 666,507.96, 919,804.14 and 364,730.04

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Solution

The fourth proportional to 666,507.96, 919,804.14 and 364,730.04 is: 503,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,507.96 : 919,804.14 = 364,730.04 : x
  2. Step 2: Convert to fraction form
    666,507.96/919,804.14 = 364,730.04/x
  3. Step 3: Cross multiply
    666,507.96x = 919,804.14 × 364,730.04
  4. Step 4: Simplify right side
    666,507.96x = 335,480,200,774.37
  5. Step 5: Solve for x
    x = 335,480,200,774.37/666,507.96
  6. Step 6: Final answer
    x = 503,340.13

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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.