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Finding the Fourth Proportional to 647,079.70, 970,619.55 and 597,313.30

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Solution

The fourth proportional to 647,079.70, 970,619.55 and 597,313.30 is: 895,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,079.70 : 970,619.55 = 597,313.30 : x
  2. Step 2: Convert to fraction form
    647,079.70/970,619.55 = 597,313.30/x
  3. Step 3: Cross multiply
    647,079.70x = 970,619.55 × 597,313.30
  4. Step 4: Simplify right side
    647,079.70x = 579,763,966,455.02
  5. Step 5: Solve for x
    x = 579,763,966,455.02/647,079.70
  6. Step 6: Final answer
    x = 895,969.95

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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.