Home / 742,596.72-1,024,783.56-403,064.88

Finding the Fourth Proportional to 742,596.72, 1,024,783.56 and 403,064.88

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Solution

The fourth proportional to 742,596.72, 1,024,783.56 and 403,064.88 is: 556,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,596.72 : 1,024,783.56 = 403,064.88 : x
  2. Step 2: Convert to fraction form
    742,596.72/1,024,783.56 = 403,064.88/x
  3. Step 3: Cross multiply
    742,596.72x = 1,024,783.56 × 403,064.88
  4. Step 4: Simplify right side
    742,596.72x = 413,054,262,637.37
  5. Step 5: Solve for x
    x = 413,054,262,637.37/742,596.72
  6. Step 6: Final answer
    x = 556,229.58

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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.