Home / 537,990.29-742,428.83-308,556.44

Finding the Fourth Proportional to 537,990.29, 742,428.83 and 308,556.44

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Solution

The fourth proportional to 537,990.29, 742,428.83 and 308,556.44 is: 425,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,990.29 : 742,428.83 = 308,556.44 : x
  2. Step 2: Convert to fraction form
    537,990.29/742,428.83 = 308,556.44/x
  3. Step 3: Cross multiply
    537,990.29x = 742,428.83 × 308,556.44
  4. Step 4: Simplify right side
    537,990.29x = 229,081,195,195.38
  5. Step 5: Solve for x
    x = 229,081,195,195.38/537,990.29
  6. Step 6: Final answer
    x = 425,809.16

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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.