Home / 979,004.25-1,351,111.37-571,237.47

Finding the Fourth Proportional to 979,004.25, 1,351,111.37 and 571,237.47

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Solution

The fourth proportional to 979,004.25, 1,351,111.37 and 571,237.47 is: 788,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,004.25 : 1,351,111.37 = 571,237.47 : x
  2. Step 2: Convert to fraction form
    979,004.25/1,351,111.37 = 571,237.47/x
  3. Step 3: Cross multiply
    979,004.25x = 1,351,111.37 × 571,237.47
  4. Step 4: Simplify right side
    979,004.25x = 771,805,437,830.85
  5. Step 5: Solve for x
    x = 771,805,437,830.85/979,004.25
  6. Step 6: Final answer
    x = 788,357.60

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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.