Home / 830,367.65-1,145,992.04-508,290.59

Finding the Fourth Proportional to 830,367.65, 1,145,992.04 and 508,290.59

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Solution

The fourth proportional to 830,367.65, 1,145,992.04 and 508,290.59 is: 701,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,367.65 : 1,145,992.04 = 508,290.59 : x
  2. Step 2: Convert to fraction form
    830,367.65/1,145,992.04 = 508,290.59/x
  3. Step 3: Cross multiply
    830,367.65x = 1,145,992.04 × 508,290.59
  4. Step 4: Simplify right side
    830,367.65x = 582,496,961,875.49
  5. Step 5: Solve for x
    x = 582,496,961,875.49/830,367.65
  6. Step 6: Final answer
    x = 701,492.85

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Double scale
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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.