Home / 810,006.20-1,215,009.30-544,585.40

Finding the Fourth Proportional to 810,006.20, 1,215,009.30 and 544,585.40

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Solution

The fourth proportional to 810,006.20, 1,215,009.30 and 544,585.40 is: 816,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,006.20 : 1,215,009.30 = 544,585.40 : x
  2. Step 2: Convert to fraction form
    810,006.20/1,215,009.30 = 544,585.40/x
  3. Step 3: Cross multiply
    810,006.20x = 1,215,009.30 × 544,585.40
  4. Step 4: Simplify right side
    810,006.20x = 661,676,325,644.22
  5. Step 5: Solve for x
    x = 661,676,325,644.22/810,006.20
  6. Step 6: Final answer
    x = 816,878.10

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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.