Home / 751,212.12-1,036,728.90-464,898.72

Finding the Fourth Proportional to 751,212.12, 1,036,728.90 and 464,898.72

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Solution

The fourth proportional to 751,212.12, 1,036,728.90 and 464,898.72 is: 641,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,212.12 : 1,036,728.90 = 464,898.72 : x
  2. Step 2: Convert to fraction form
    751,212.12/1,036,728.90 = 464,898.72/x
  3. Step 3: Cross multiply
    751,212.12x = 1,036,728.90 × 464,898.72
  4. Step 4: Simplify right side
    751,212.12x = 481,973,938,597.01
  5. Step 5: Solve for x
    x = 481,973,938,597.01/751,212.12
  6. Step 6: Final answer
    x = 641,595.00

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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.