Home / 928,991.36-1,393,347.36-297,820.16

Finding the Fourth Proportional to 928,991.36, 1,393,347.36 and 297,820.16

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Solution

The fourth proportional to 928,991.36, 1,393,347.36 and 297,820.16 is: 446,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,991.36 : 1,393,347.36 = 297,820.16 : x
  2. Step 2: Convert to fraction form
    928,991.36/1,393,347.36 = 297,820.16/x
  3. Step 3: Cross multiply
    928,991.36x = 1,393,347.36 × 297,820.16
  4. Step 4: Simplify right side
    928,991.36x = 414,966,933,690.78
  5. Step 5: Solve for x
    x = 414,966,933,690.78/928,991.36
  6. Step 6: Final answer
    x = 446,685.46

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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.