Home / 745,024.64-1,028,103.48-422,727.80

Finding the Fourth Proportional to 745,024.64, 1,028,103.48 and 422,727.80

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Solution

The fourth proportional to 745,024.64, 1,028,103.48 and 422,727.80 is: 583,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,024.64 : 1,028,103.48 = 422,727.80 : x
  2. Step 2: Convert to fraction form
    745,024.64/1,028,103.48 = 422,727.80/x
  3. Step 3: Cross multiply
    745,024.64x = 1,028,103.48 × 422,727.80
  4. Step 4: Simplify right side
    745,024.64x = 434,607,922,272.74
  5. Step 5: Solve for x
    x = 434,607,922,272.74/745,024.64
  6. Step 6: Final answer
    x = 583,347.05

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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.