Home / 845,530.32-1,268,280.85-284,564.82

Finding the Fourth Proportional to 845,530.32, 1,268,280.85 and 284,564.82

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Solution

The fourth proportional to 845,530.32, 1,268,280.85 and 284,564.82 is: 426,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,530.32 : 1,268,280.85 = 284,564.82 : x
  2. Step 2: Convert to fraction form
    845,530.32/1,268,280.85 = 284,564.82/x
  3. Step 3: Cross multiply
    845,530.32x = 1,268,280.85 × 284,564.82
  4. Step 4: Simplify right side
    845,530.32x = 360,908,111,789.70
  5. Step 5: Solve for x
    x = 360,908,111,789.70/845,530.32
  6. Step 6: Final answer
    x = 426,842.31

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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.