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Finding the Fourth Proportional to 600,111.36, 899,699.76 and 300,437.52

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Solution

The fourth proportional to 600,111.36, 899,699.76 and 300,437.52 is: 450,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,111.36 : 899,699.76 = 300,437.52 : x
  2. Step 2: Convert to fraction form
    600,111.36/899,699.76 = 300,437.52/x
  3. Step 3: Cross multiply
    600,111.36x = 899,699.76 × 300,437.52
  4. Step 4: Simplify right side
    600,111.36x = 270,303,564,639.00
  5. Step 5: Solve for x
    x = 270,303,564,639.00/600,111.36
  6. Step 6: Final answer
    x = 450,422.34

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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.