Home / 540,583.33-745,880.98-322,749.55

Finding the Fourth Proportional to 540,583.33, 745,880.98 and 322,749.55

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Solution

The fourth proportional to 540,583.33, 745,880.98 and 322,749.55 is: 445,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,583.33 : 745,880.98 = 322,749.55 : x
  2. Step 2: Convert to fraction form
    540,583.33/745,880.98 = 322,749.55/x
  3. Step 3: Cross multiply
    540,583.33x = 745,880.98 × 322,749.55
  4. Step 4: Simplify right side
    540,583.33x = 240,732,750,648.56
  5. Step 5: Solve for x
    x = 240,732,750,648.56/540,583.33
  6. Step 6: Final answer
    x = 445,320.34

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1.5x scale

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.