Home / 742,741.22-1,024,982.84-403,209.48

Finding the Fourth Proportional to 742,741.22, 1,024,982.84 and 403,209.48

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Solution

The fourth proportional to 742,741.22, 1,024,982.84 and 403,209.48 is: 556,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,741.22 : 1,024,982.84 = 403,209.48 : x
  2. Step 2: Convert to fraction form
    742,741.22/1,024,982.84 = 403,209.48/x
  3. Step 3: Cross multiply
    742,741.22x = 1,024,982.84 × 403,209.48
  4. Step 4: Simplify right side
    742,741.22x = 413,282,797,925.32
  5. Step 5: Solve for x
    x = 413,282,797,925.32/742,741.22
  6. Step 6: Final answer
    x = 556,429.06

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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.