Home / 930,969.85-1,284,739.48-523,071.45

Finding the Fourth Proportional to 930,969.85, 1,284,739.48 and 523,071.45

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Solution

The fourth proportional to 930,969.85, 1,284,739.48 and 523,071.45 is: 721,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,969.85 : 1,284,739.48 = 523,071.45 : x
  2. Step 2: Convert to fraction form
    930,969.85/1,284,739.48 = 523,071.45/x
  3. Step 3: Cross multiply
    930,969.85x = 1,284,739.48 × 523,071.45
  4. Step 4: Simplify right side
    930,969.85x = 672,010,547,846.35
  5. Step 5: Solve for x
    x = 672,010,547,846.35/930,969.85
  6. Step 6: Final answer
    x = 721,839.22

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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.