Home / 740,959.42-1,022,528.88-401,427.67

Finding the Fourth Proportional to 740,959.42, 1,022,528.88 and 401,427.67

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Solution

The fourth proportional to 740,959.42, 1,022,528.88 and 401,427.67 is: 553,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,959.42 : 1,022,528.88 = 401,427.67 : x
  2. Step 2: Convert to fraction form
    740,959.42/1,022,528.88 = 401,427.67/x
  3. Step 3: Cross multiply
    740,959.42x = 1,022,528.88 × 401,427.67
  4. Step 4: Simplify right side
    740,959.42x = 410,471,385,806.11
  5. Step 5: Solve for x
    x = 410,471,385,806.11/740,959.42
  6. Step 6: Final answer
    x = 553,972.83

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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.