Home / 899,656.17-1,349,553.81-300,619.40

Finding the Fourth Proportional to 899,656.17, 1,349,553.81 and 300,619.40

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Solution

The fourth proportional to 899,656.17, 1,349,553.81 and 300,619.40 is: 450,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,656.17 : 1,349,553.81 = 300,619.40 : x
  2. Step 2: Convert to fraction form
    899,656.17/1,349,553.81 = 300,619.40/x
  3. Step 3: Cross multiply
    899,656.17x = 1,349,553.81 × 300,619.40
  4. Step 4: Simplify right side
    899,656.17x = 405,702,056,909.72
  5. Step 5: Solve for x
    x = 405,702,056,909.72/899,656.17
  6. Step 6: Final answer
    x = 450,952.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.