Home / 805,848.32-1,112,047.26-443,272.07

Finding the Fourth Proportional to 805,848.32, 1,112,047.26 and 443,272.07

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Solution

The fourth proportional to 805,848.32, 1,112,047.26 and 443,272.07 is: 611,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,848.32 : 1,112,047.26 = 443,272.07 : x
  2. Step 2: Convert to fraction form
    805,848.32/1,112,047.26 = 443,272.07/x
  3. Step 3: Cross multiply
    805,848.32x = 1,112,047.26 × 443,272.07
  4. Step 4: Simplify right side
    805,848.32x = 492,939,490,878.03
  5. Step 5: Solve for x
    x = 492,939,490,878.03/805,848.32
  6. Step 6: Final answer
    x = 611,702.57

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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.