Home / 670,885.28-1,006,433.88-197,508.32

Finding the Fourth Proportional to 670,885.28, 1,006,433.88 and 197,508.32

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Solution

The fourth proportional to 670,885.28, 1,006,433.88 and 197,508.32 is: 296,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,885.28 : 1,006,433.88 = 197,508.32 : x
  2. Step 2: Convert to fraction form
    670,885.28/1,006,433.88 = 197,508.32/x
  3. Step 3: Cross multiply
    670,885.28x = 1,006,433.88 × 197,508.32
  4. Step 4: Simplify right side
    670,885.28x = 198,779,064,829.88
  5. Step 5: Solve for x
    x = 198,779,064,829.88/670,885.28
  6. Step 6: Final answer
    x = 296,293.67

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Double scale
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Similar ratio
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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.