Home / 770,071.86-1,062,668.70-425,885.58

Finding the Fourth Proportional to 770,071.86, 1,062,668.70 and 425,885.58

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Solution

The fourth proportional to 770,071.86, 1,062,668.70 and 425,885.58 is: 587,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,071.86 : 1,062,668.70 = 425,885.58 : x
  2. Step 2: Convert to fraction form
    770,071.86/1,062,668.70 = 425,885.58/x
  3. Step 3: Cross multiply
    770,071.86x = 1,062,668.70 × 425,885.58
  4. Step 4: Simplify right side
    770,071.86x = 452,575,275,647.35
  5. Step 5: Solve for x
    x = 452,575,275,647.35/770,071.86
  6. Step 6: Final answer
    x = 587,705.25

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Double scale
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1.5x scale

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.