Home / 614,917.80-848,584.40-342,985.50

Finding the Fourth Proportional to 614,917.80, 848,584.40 and 342,985.50

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Solution

The fourth proportional to 614,917.80, 848,584.40 and 342,985.50 is: 473,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,917.80 : 848,584.40 = 342,985.50 : x
  2. Step 2: Convert to fraction form
    614,917.80/848,584.40 = 342,985.50/x
  3. Step 3: Cross multiply
    614,917.80x = 848,584.40 × 342,985.50
  4. Step 4: Simplify right side
    614,917.80x = 291,052,143,011.27
  5. Step 5: Solve for x
    x = 291,052,143,011.27/614,917.80
  6. Step 6: Final answer
    x = 473,318.78

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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.