Home / 1,000,478.75-1,500,493.50-460,216.14

Finding the Fourth Proportional to 1,000,478.75, 1,500,493.50 and 460,216.14

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Solution

The fourth proportional to 1,000,478.75, 1,500,493.50 and 460,216.14 is: 690,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,478.75 : 1,500,493.50 = 460,216.14 : x
  2. Step 2: Convert to fraction form
    1,000,478.75/1,500,493.50 = 460,216.14/x
  3. Step 3: Cross multiply
    1,000,478.75x = 1,500,493.50 × 460,216.14
  4. Step 4: Simplify right side
    1,000,478.75x = 690,551,326,665.09
  5. Step 5: Solve for x
    x = 690,551,326,665.09/1,000,478.75
  6. Step 6: Final answer
    x = 690,220.89

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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.