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Finding the Fourth Proportional to 647,430.70, 971,146.05 and 362,829.10

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Solution

The fourth proportional to 647,430.70, 971,146.05 and 362,829.10 is: 544,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,430.70 : 971,146.05 = 362,829.10 : x
  2. Step 2: Convert to fraction form
    647,430.70/971,146.05 = 362,829.10/x
  3. Step 3: Cross multiply
    647,430.70x = 971,146.05 × 362,829.10
  4. Step 4: Simplify right side
    647,430.70x = 352,360,047,290.06
  5. Step 5: Solve for x
    x = 352,360,047,290.06/647,430.70
  6. Step 6: Final answer
    x = 544,243.65

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Similar ratio
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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.