Home / 448,271.09-618,381.04-284,647.65

Finding the Fourth Proportional to 448,271.09, 618,381.04 and 284,647.65

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Solution

The fourth proportional to 448,271.09, 618,381.04 and 284,647.65 is: 392,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,271.09 : 618,381.04 = 284,647.65 : x
  2. Step 2: Convert to fraction form
    448,271.09/618,381.04 = 284,647.65/x
  3. Step 3: Cross multiply
    448,271.09x = 618,381.04 × 284,647.65
  4. Step 4: Simplify right side
    448,271.09x = 176,020,711,622.69
  5. Step 5: Solve for x
    x = 176,020,711,622.69/448,271.09
  6. Step 6: Final answer
    x = 392,665.76

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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.