Home / 825,501.21-1,238,239.46-286,150.10

Finding the Fourth Proportional to 825,501.21, 1,238,239.46 and 286,150.10

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Solution

The fourth proportional to 825,501.21, 1,238,239.46 and 286,150.10 is: 429,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,501.21 : 1,238,239.46 = 286,150.10 : x
  2. Step 2: Convert to fraction form
    825,501.21/1,238,239.46 = 286,150.10/x
  3. Step 3: Cross multiply
    825,501.21x = 1,238,239.46 × 286,150.10
  4. Step 4: Simplify right side
    825,501.21x = 354,322,337,681.00
  5. Step 5: Solve for x
    x = 354,322,337,681.00/825,501.21
  6. Step 6: Final answer
    x = 429,220.86

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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.