Home / 492,448.24-679,632.57-285,762.16

Finding the Fourth Proportional to 492,448.24, 679,632.57 and 285,762.16

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Solution

The fourth proportional to 492,448.24, 679,632.57 and 285,762.16 is: 394,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,448.24 : 679,632.57 = 285,762.16 : x
  2. Step 2: Convert to fraction form
    492,448.24/679,632.57 = 285,762.16/x
  3. Step 3: Cross multiply
    492,448.24x = 679,632.57 × 285,762.16
  4. Step 4: Simplify right side
    492,448.24x = 194,213,271,209.55
  5. Step 5: Solve for x
    x = 194,213,271,209.55/492,448.24
  6. Step 6: Final answer
    x = 394,383.12

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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.