Home / 945,277.60-1,418,127.90-346,226.80

Finding the Fourth Proportional to 945,277.60, 1,418,127.90 and 346,226.80

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Solution

The fourth proportional to 945,277.60, 1,418,127.90 and 346,226.80 is: 519,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,277.60 : 1,418,127.90 = 346,226.80 : x
  2. Step 2: Convert to fraction form
    945,277.60/1,418,127.90 = 346,226.80/x
  3. Step 3: Cross multiply
    945,277.60x = 1,418,127.90 × 346,226.80
  4. Step 4: Simplify right side
    945,277.60x = 490,993,884,807.72
  5. Step 5: Solve for x
    x = 490,993,884,807.72/945,277.60
  6. Step 6: Final answer
    x = 519,417.67

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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.