Home / 831,924.63-1,148,055.12-449,950.50

Finding the Fourth Proportional to 831,924.63, 1,148,055.12 and 449,950.50

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Solution

The fourth proportional to 831,924.63, 1,148,055.12 and 449,950.50 is: 620,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,924.63 : 1,148,055.12 = 449,950.50 : x
  2. Step 2: Convert to fraction form
    831,924.63/1,148,055.12 = 449,950.50/x
  3. Step 3: Cross multiply
    831,924.63x = 1,148,055.12 × 449,950.50
  4. Step 4: Simplify right side
    831,924.63x = 516,567,975,271.56
  5. Step 5: Solve for x
    x = 516,567,975,271.56/831,924.63
  6. Step 6: Final answer
    x = 620,931.22

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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.