Home / 672,785.11-1,009,177.67-461,783.35

Finding the Fourth Proportional to 672,785.11, 1,009,177.67 and 461,783.35

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Solution

The fourth proportional to 672,785.11, 1,009,177.67 and 461,783.35 is: 692,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,785.11 : 1,009,177.67 = 461,783.35 : x
  2. Step 2: Convert to fraction form
    672,785.11/1,009,177.67 = 461,783.35/x
  3. Step 3: Cross multiply
    672,785.11x = 1,009,177.67 × 461,783.35
  4. Step 4: Simplify right side
    672,785.11x = 466,021,442,888.88
  5. Step 5: Solve for x
    x = 466,021,442,888.88/672,785.11
  6. Step 6: Final answer
    x = 692,675.03

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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.