Home / 745,223.79-1,118,000.63-271,907.79

Finding the Fourth Proportional to 745,223.79, 1,118,000.63 and 271,907.79

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Solution

The fourth proportional to 745,223.79, 1,118,000.63 and 271,907.79 is: 407,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,223.79 : 1,118,000.63 = 271,907.79 : x
  2. Step 2: Convert to fraction form
    745,223.79/1,118,000.63 = 271,907.79/x
  3. Step 3: Cross multiply
    745,223.79x = 1,118,000.63 × 271,907.79
  4. Step 4: Simplify right side
    745,223.79x = 303,993,075,479.69
  5. Step 5: Solve for x
    x = 303,993,075,479.69/745,223.79
  6. Step 6: Final answer
    x = 407,921.86

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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.