Home / 788,475.70-1,183,126.65-362,140.30

Finding the Fourth Proportional to 788,475.70, 1,183,126.65 and 362,140.30

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Solution

The fourth proportional to 788,475.70, 1,183,126.65 and 362,140.30 is: 543,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,475.70 : 1,183,126.65 = 362,140.30 : x
  2. Step 2: Convert to fraction form
    788,475.70/1,183,126.65 = 362,140.30/x
  3. Step 3: Cross multiply
    788,475.70x = 1,183,126.65 × 362,140.30
  4. Step 4: Simplify right side
    788,475.70x = 428,457,839,969.00
  5. Step 5: Solve for x
    x = 428,457,839,969.00/788,475.70
  6. Step 6: Final answer
    x = 543,400.18

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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.