Home / 805,847.32-1,112,045.88-443,271.07

Finding the Fourth Proportional to 805,847.32, 1,112,045.88 and 443,271.07

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Solution

The fourth proportional to 805,847.32, 1,112,045.88 and 443,271.07 is: 611,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,847.32 : 1,112,045.88 = 443,271.07 : x
  2. Step 2: Convert to fraction form
    805,847.32/1,112,045.88 = 443,271.07/x
  3. Step 3: Cross multiply
    805,847.32x = 1,112,045.88 × 443,271.07
  4. Step 4: Simplify right side
    805,847.32x = 492,937,767,116.69
  5. Step 5: Solve for x
    x = 492,937,767,116.69/805,847.32
  6. Step 6: Final answer
    x = 611,701.19

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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.