Home / 997,785.03-1,496,685.75-429,126.76

Finding the Fourth Proportional to 997,785.03, 1,496,685.75 and 429,126.76

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Solution

The fourth proportional to 997,785.03, 1,496,685.75 and 429,126.76 is: 643,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,785.03 : 1,496,685.75 = 429,126.76 : x
  2. Step 2: Convert to fraction form
    997,785.03/1,496,685.75 = 429,126.76/x
  3. Step 3: Cross multiply
    997,785.03x = 1,496,685.75 × 429,126.76
  4. Step 4: Simplify right side
    997,785.03x = 642,267,909,311.14
  5. Step 5: Solve for x
    x = 642,267,909,311.14/997,785.03
  6. Step 6: Final answer
    x = 643,693.67

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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.