Home / 845,292.51-1,268,436.33-313,184.52

Finding the Fourth Proportional to 845,292.51, 1,268,436.33 and 313,184.52

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Solution

The fourth proportional to 845,292.51, 1,268,436.33 and 313,184.52 is: 469,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,292.51 : 1,268,436.33 = 313,184.52 : x
  2. Step 2: Convert to fraction form
    845,292.51/1,268,436.33 = 313,184.52/x
  3. Step 3: Cross multiply
    845,292.51x = 1,268,436.33 × 313,184.52
  4. Step 4: Simplify right side
    845,292.51x = 397,254,623,161.61
  5. Step 5: Solve for x
    x = 397,254,623,161.61/845,292.51
  6. Step 6: Final answer
    x = 469,961.13

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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.