Home / 780,622.24-1,077,258.48-422,926.24

Finding the Fourth Proportional to 780,622.24, 1,077,258.48 and 422,926.24

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Solution

The fourth proportional to 780,622.24, 1,077,258.48 and 422,926.24 is: 583,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,622.24 : 1,077,258.48 = 422,926.24 : x
  2. Step 2: Convert to fraction form
    780,622.24/1,077,258.48 = 422,926.24/x
  3. Step 3: Cross multiply
    780,622.24x = 1,077,258.48 × 422,926.24
  4. Step 4: Simplify right side
    780,622.24x = 455,600,878,454.52
  5. Step 5: Solve for x
    x = 455,600,878,454.52/780,622.24
  6. Step 6: Final answer
    x = 583,638.10

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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.