Home / 530,668.26-733,038.66-423,986.40

Finding the Fourth Proportional to 530,668.26, 733,038.66 and 423,986.40

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Solution

The fourth proportional to 530,668.26, 733,038.66 and 423,986.40 is: 585,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,668.26 : 733,038.66 = 423,986.40 : x
  2. Step 2: Convert to fraction form
    530,668.26/733,038.66 = 423,986.40/x
  3. Step 3: Cross multiply
    530,668.26x = 733,038.66 × 423,986.40
  4. Step 4: Simplify right side
    530,668.26x = 310,798,422,514.22
  5. Step 5: Solve for x
    x = 310,798,422,514.22/530,668.26
  6. Step 6: Final answer
    x = 585,673.66

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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.