Home / 926,995.20-1,390,646.40-394,771.20

Finding the Fourth Proportional to 926,995.20, 1,390,646.40 and 394,771.20

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Solution

The fourth proportional to 926,995.20, 1,390,646.40 and 394,771.20 is: 592,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,995.20 : 1,390,646.40 = 394,771.20 : x
  2. Step 2: Convert to fraction form
    926,995.20/1,390,646.40 = 394,771.20/x
  3. Step 3: Cross multiply
    926,995.20x = 1,390,646.40 × 394,771.20
  4. Step 4: Simplify right side
    926,995.20x = 548,987,148,103.68
  5. Step 5: Solve for x
    x = 548,987,148,103.68/926,995.20
  6. Step 6: Final answer
    x = 592,222.21

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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.