Home / 790,566.76-1,090,980.78-427,990.48

Finding the Fourth Proportional to 790,566.76, 1,090,980.78 and 427,990.48

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Solution

The fourth proportional to 790,566.76, 1,090,980.78 and 427,990.48 is: 590,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,566.76 : 1,090,980.78 = 427,990.48 : x
  2. Step 2: Convert to fraction form
    790,566.76/1,090,980.78 = 427,990.48/x
  3. Step 3: Cross multiply
    790,566.76x = 1,090,980.78 × 427,990.48
  4. Step 4: Simplify right side
    790,566.76x = 466,929,387,702.97
  5. Step 5: Solve for x
    x = 466,929,387,702.97/790,566.76
  6. Step 6: Final answer
    x = 590,626.13

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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.