Home / 976,904.80-1,465,357.20-550,002.40

Finding the Fourth Proportional to 976,904.80, 1,465,357.20 and 550,002.40

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Solution

The fourth proportional to 976,904.80, 1,465,357.20 and 550,002.40 is: 825,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,904.80 : 1,465,357.20 = 550,002.40 : x
  2. Step 2: Convert to fraction form
    976,904.80/1,465,357.20 = 550,002.40/x
  3. Step 3: Cross multiply
    976,904.80x = 1,465,357.20 × 550,002.40
  4. Step 4: Simplify right side
    976,904.80x = 805,949,976,857.28
  5. Step 5: Solve for x
    x = 805,949,976,857.28/976,904.80
  6. Step 6: Final answer
    x = 825,003.60

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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.