Home / 550,030.24-759,072.80-308,391.04

Finding the Fourth Proportional to 550,030.24, 759,072.80 and 308,391.04

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Solution

The fourth proportional to 550,030.24, 759,072.80 and 308,391.04 is: 425,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,030.24 : 759,072.80 = 308,391.04 : x
  2. Step 2: Convert to fraction form
    550,030.24/759,072.80 = 308,391.04/x
  3. Step 3: Cross multiply
    550,030.24x = 759,072.80 × 308,391.04
  4. Step 4: Simplify right side
    550,030.24x = 234,091,250,227.71
  5. Step 5: Solve for x
    x = 234,091,250,227.71/550,030.24
  6. Step 6: Final answer
    x = 425,597.05

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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.