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Finding the Fourth Proportional to 475,435.98, 656,004.69 and 281,758.32

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Solution

The fourth proportional to 475,435.98, 656,004.69 and 281,758.32 is: 388,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,435.98 : 656,004.69 = 281,758.32 : x
  2. Step 2: Convert to fraction form
    475,435.98/656,004.69 = 281,758.32/x
  3. Step 3: Cross multiply
    475,435.98x = 656,004.69 × 281,758.32
  4. Step 4: Simplify right side
    475,435.98x = 184,834,779,366.52
  5. Step 5: Solve for x
    x = 184,834,779,366.52/475,435.98
  6. Step 6: Final answer
    x = 388,769.02

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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.