Home / 790,059.76-1,090,274.72-427,475.67

Finding the Fourth Proportional to 790,059.76, 1,090,274.72 and 427,475.67

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Solution

The fourth proportional to 790,059.76, 1,090,274.72 and 427,475.67 is: 589,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,059.76 : 1,090,274.72 = 427,475.67 : x
  2. Step 2: Convert to fraction form
    790,059.76/1,090,274.72 = 427,475.67/x
  3. Step 3: Cross multiply
    790,059.76x = 1,090,274.72 × 427,475.67
  4. Step 4: Simplify right side
    790,059.76x = 466,065,908,827.31
  5. Step 5: Solve for x
    x = 466,065,908,827.31/790,059.76
  6. Step 6: Final answer
    x = 589,912.22

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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.