Home / 835,368.09-1,253,579.27-355,595.20

Finding the Fourth Proportional to 835,368.09, 1,253,579.27 and 355,595.20

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Solution

The fourth proportional to 835,368.09, 1,253,579.27 and 355,595.20 is: 533,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,368.09 : 1,253,579.27 = 355,595.20 : x
  2. Step 2: Convert to fraction form
    835,368.09/1,253,579.27 = 355,595.20/x
  3. Step 3: Cross multiply
    835,368.09x = 1,253,579.27 × 355,595.20
  4. Step 4: Simplify right side
    835,368.09x = 445,766,771,231.50
  5. Step 5: Solve for x
    x = 445,766,771,231.50/835,368.09
  6. Step 6: Final answer
    x = 533,617.19

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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.