Home / 913,469.60-1,370,204.40-647,530.40

Finding the Fourth Proportional to 913,469.60, 1,370,204.40 and 647,530.40

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Solution

The fourth proportional to 913,469.60, 1,370,204.40 and 647,530.40 is: 971,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,469.60 : 1,370,204.40 = 647,530.40 : x
  2. Step 2: Convert to fraction form
    913,469.60/1,370,204.40 = 647,530.40/x
  3. Step 3: Cross multiply
    913,469.60x = 1,370,204.40 × 647,530.40
  4. Step 4: Simplify right side
    913,469.60x = 887,249,003,213.76
  5. Step 5: Solve for x
    x = 887,249,003,213.76/913,469.60
  6. Step 6: Final answer
    x = 971,295.60

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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.