Home / 418,631.56-577,508.52-248,745.40

Finding the Fourth Proportional to 418,631.56, 577,508.52 and 248,745.40

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Solution

The fourth proportional to 418,631.56, 577,508.52 and 248,745.40 is: 343,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,631.56 : 577,508.52 = 248,745.40 : x
  2. Step 2: Convert to fraction form
    418,631.56/577,508.52 = 248,745.40/x
  3. Step 3: Cross multiply
    418,631.56x = 577,508.52 × 248,745.40
  4. Step 4: Simplify right side
    418,631.56x = 143,652,587,810.81
  5. Step 5: Solve for x
    x = 143,652,587,810.81/418,631.56
  6. Step 6: Final answer
    x = 343,148.01

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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.