Home / 673,779.30-1,010,668.95-408,058.80

Finding the Fourth Proportional to 673,779.30, 1,010,668.95 and 408,058.80

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Solution

The fourth proportional to 673,779.30, 1,010,668.95 and 408,058.80 is: 612,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,779.30 : 1,010,668.95 = 408,058.80 : x
  2. Step 2: Convert to fraction form
    673,779.30/1,010,668.95 = 408,058.80/x
  3. Step 3: Cross multiply
    673,779.30x = 1,010,668.95 × 408,058.80
  4. Step 4: Simplify right side
    673,779.30x = 412,412,358,934.26
  5. Step 5: Solve for x
    x = 412,412,358,934.26/673,779.30
  6. Step 6: Final answer
    x = 612,088.20

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Double scale
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Similar ratio
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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.