Home / 976,851.80-1,465,277.70-445,410.80

Finding the Fourth Proportional to 976,851.80, 1,465,277.70 and 445,410.80

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Solution

The fourth proportional to 976,851.80, 1,465,277.70 and 445,410.80 is: 668,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,851.80 : 1,465,277.70 = 445,410.80 : x
  2. Step 2: Convert to fraction form
    976,851.80/1,465,277.70 = 445,410.80/x
  3. Step 3: Cross multiply
    976,851.80x = 1,465,277.70 × 445,410.80
  4. Step 4: Simplify right side
    976,851.80x = 652,650,512,579.16
  5. Step 5: Solve for x
    x = 652,650,512,579.16/976,851.80
  6. Step 6: Final answer
    x = 668,116.20

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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.