Home / 869,015.70-1,303,653.15-308,006.10

Finding the Fourth Proportional to 869,015.70, 1,303,653.15 and 308,006.10

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Solution

The fourth proportional to 869,015.70, 1,303,653.15 and 308,006.10 is: 462,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,015.70 : 1,303,653.15 = 308,006.10 : x
  2. Step 2: Convert to fraction form
    869,015.70/1,303,653.15 = 308,006.10/x
  3. Step 3: Cross multiply
    869,015.70x = 1,303,653.15 × 308,006.10
  4. Step 4: Simplify right side
    869,015.70x = 401,533,122,484.22
  5. Step 5: Solve for x
    x = 401,533,122,484.22/869,015.70
  6. Step 6: Final answer
    x = 462,055.08

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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.