Home / 835,712.02-1,254,176.75-303,275.94

Finding the Fourth Proportional to 835,712.02, 1,254,176.75 and 303,275.94

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Solution

The fourth proportional to 835,712.02, 1,254,176.75 and 303,275.94 is: 455,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,712.02 : 1,254,176.75 = 303,275.94 : x
  2. Step 2: Convert to fraction form
    835,712.02/1,254,176.75 = 303,275.94/x
  3. Step 3: Cross multiply
    835,712.02x = 1,254,176.75 × 303,275.94
  4. Step 4: Simplify right side
    835,712.02x = 380,361,632,782.40
  5. Step 5: Solve for x
    x = 380,361,632,782.40/835,712.02
  6. Step 6: Final answer
    x = 455,134.81

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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.