Home / 550,036.36-759,085.23-308,319.04

Finding the Fourth Proportional to 550,036.36, 759,085.23 and 308,319.04

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Solution

The fourth proportional to 550,036.36, 759,085.23 and 308,319.04 is: 425,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,036.36 : 759,085.23 = 308,319.04 : x
  2. Step 2: Convert to fraction form
    550,036.36/759,085.23 = 308,319.04/x
  3. Step 3: Cross multiply
    550,036.36x = 759,085.23 × 308,319.04
  4. Step 4: Simplify right side
    550,036.36x = 234,040,429,391.78
  5. Step 5: Solve for x
    x = 234,040,429,391.78/550,036.36
  6. Step 6: Final answer
    x = 425,499.92

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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.