Home / 874,579.24-1,311,870.30-243,492.76

Finding the Fourth Proportional to 874,579.24, 1,311,870.30 and 243,492.76

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Solution

The fourth proportional to 874,579.24, 1,311,870.30 and 243,492.76 is: 365,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,579.24 : 1,311,870.30 = 243,492.76 : x
  2. Step 2: Convert to fraction form
    874,579.24/1,311,870.30 = 243,492.76/x
  3. Step 3: Cross multiply
    874,579.24x = 1,311,870.30 × 243,492.76
  4. Step 4: Simplify right side
    874,579.24x = 319,430,920,109.03
  5. Step 5: Solve for x
    x = 319,430,920,109.03/874,579.24
  6. Step 6: Final answer
    x = 365,239.54

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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.