Home / 743,888.55-1,026,566.88-404,356.80

Finding the Fourth Proportional to 743,888.55, 1,026,566.88 and 404,356.80

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Solution

The fourth proportional to 743,888.55, 1,026,566.88 and 404,356.80 is: 558,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,888.55 : 1,026,566.88 = 404,356.80 : x
  2. Step 2: Convert to fraction form
    743,888.55/1,026,566.88 = 404,356.80/x
  3. Step 3: Cross multiply
    743,888.55x = 1,026,566.88 × 404,356.80
  4. Step 4: Simplify right side
    743,888.55x = 415,099,298,582.78
  5. Step 5: Solve for x
    x = 415,099,298,582.78/743,888.55
  6. Step 6: Final answer
    x = 558,012.75

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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.