Home / 958,907.34-1,323,290.79-529,187.40

Finding the Fourth Proportional to 958,907.34, 1,323,290.79 and 529,187.40

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Solution

The fourth proportional to 958,907.34, 1,323,290.79 and 529,187.40 is: 730,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,907.34 : 1,323,290.79 = 529,187.40 : x
  2. Step 2: Convert to fraction form
    958,907.34/1,323,290.79 = 529,187.40/x
  3. Step 3: Cross multiply
    958,907.34x = 1,323,290.79 × 529,187.40
  4. Step 4: Simplify right side
    958,907.34x = 700,268,812,604.05
  5. Step 5: Solve for x
    x = 700,268,812,604.05/958,907.34
  6. Step 6: Final answer
    x = 730,277.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.