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Finding the Fourth Proportional to 587,017.68, 810,107.63 and 328,896.86

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Solution

The fourth proportional to 587,017.68, 810,107.63 and 328,896.86 is: 453,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,017.68 : 810,107.63 = 328,896.86 : x
  2. Step 2: Convert to fraction form
    587,017.68/810,107.63 = 328,896.86/x
  3. Step 3: Cross multiply
    587,017.68x = 810,107.63 × 328,896.86
  4. Step 4: Simplify right side
    587,017.68x = 266,441,851,307.38
  5. Step 5: Solve for x
    x = 266,441,851,307.38/587,017.68
  6. Step 6: Final answer
    x = 453,890.67

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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.