Home / 981,621-1,354,653.90-546,073.13

Finding the Fourth Proportional to 981,621, 1,354,653.90 and 546,073.13

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Solution

The fourth proportional to 981,621, 1,354,653.90 and 546,073.13 is: 753,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,621 : 1,354,653.90 = 546,073.13 : x
  2. Step 2: Convert to fraction form
    981,621/1,354,653.90 = 546,073.13/x
  3. Step 3: Cross multiply
    981,621x = 1,354,653.90 × 546,073.13
  4. Step 4: Simplify right side
    981,621x = 739,740,088,466.44
  5. Step 5: Solve for x
    x = 739,740,088,466.44/981,621
  6. Step 6: Final answer
    x = 753,590.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.