Home / 949,629.12-1,424,657.04-318,526.80

Finding the Fourth Proportional to 949,629.12, 1,424,657.04 and 318,526.80

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Solution

The fourth proportional to 949,629.12, 1,424,657.04 and 318,526.80 is: 477,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,629.12 : 1,424,657.04 = 318,526.80 : x
  2. Step 2: Convert to fraction form
    949,629.12/1,424,657.04 = 318,526.80/x
  3. Step 3: Cross multiply
    949,629.12x = 1,424,657.04 × 318,526.80
  4. Step 4: Simplify right side
    949,629.12x = 453,791,448,048.67
  5. Step 5: Solve for x
    x = 453,791,448,048.67/949,629.12
  6. Step 6: Final answer
    x = 477,861.77

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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.