Home / 874,721.04-1,312,148.09-298,165.28

Finding the Fourth Proportional to 874,721.04, 1,312,148.09 and 298,165.28

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Solution

The fourth proportional to 874,721.04, 1,312,148.09 and 298,165.28 is: 447,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,721.04 : 1,312,148.09 = 298,165.28 : x
  2. Step 2: Convert to fraction form
    874,721.04/1,312,148.09 = 298,165.28/x
  3. Step 3: Cross multiply
    874,721.04x = 1,312,148.09 × 298,165.28
  4. Step 4: Simplify right side
    874,721.04x = 391,236,994,604.75
  5. Step 5: Solve for x
    x = 391,236,994,604.75/874,721.04
  6. Step 6: Final answer
    x = 447,270.59

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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.