Home / 1,000,478.99-1,500,493.87-460,216.39

Finding the Fourth Proportional to 1,000,478.99, 1,500,493.87 and 460,216.39

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Solution

The fourth proportional to 1,000,478.99, 1,500,493.87 and 460,216.39 is: 690,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,478.99 : 1,500,493.87 = 460,216.39 : x
  2. Step 2: Convert to fraction form
    1,000,478.99/1,500,493.87 = 460,216.39/x
  3. Step 3: Cross multiply
    1,000,478.99x = 1,500,493.87 × 460,216.39
  4. Step 4: Simplify right side
    1,000,478.99x = 690,551,872,068.53
  5. Step 5: Solve for x
    x = 690,551,872,068.53/1,000,478.99
  6. Step 6: Final answer
    x = 690,221.26

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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.