Home / 869,364.84-1,303,907.38-238,131.08

Finding the Fourth Proportional to 869,364.84, 1,303,907.38 and 238,131.08

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Solution

The fourth proportional to 869,364.84, 1,303,907.38 and 238,131.08 is: 357,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,364.84 : 1,303,907.38 = 238,131.08 : x
  2. Step 2: Convert to fraction form
    869,364.84/1,303,907.38 = 238,131.08/x
  3. Step 3: Cross multiply
    869,364.84x = 1,303,907.38 × 238,131.08
  4. Step 4: Simplify right side
    869,364.84x = 310,500,872,619.37
  5. Step 5: Solve for x
    x = 310,500,872,619.37/869,364.84
  6. Step 6: Final answer
    x = 357,158.30

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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.