Home / 710,396.40-1,065,591.72-336,681.84

Finding the Fourth Proportional to 710,396.40, 1,065,591.72 and 336,681.84

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Solution

The fourth proportional to 710,396.40, 1,065,591.72 and 336,681.84 is: 505,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,396.40 : 1,065,591.72 = 336,681.84 : x
  2. Step 2: Convert to fraction form
    710,396.40/1,065,591.72 = 336,681.84/x
  3. Step 3: Cross multiply
    710,396.40x = 1,065,591.72 × 336,681.84
  4. Step 4: Simplify right side
    710,396.40x = 358,765,380,978.37
  5. Step 5: Solve for x
    x = 358,765,380,978.37/710,396.40
  6. Step 6: Final answer
    x = 505,021.40

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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.