Home / 889,789.30-1,334,746.19-357,310.31

Finding the Fourth Proportional to 889,789.30, 1,334,746.19 and 357,310.31

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Solution

The fourth proportional to 889,789.30, 1,334,746.19 and 357,310.31 is: 535,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,789.30 : 1,334,746.19 = 357,310.31 : x
  2. Step 2: Convert to fraction form
    889,789.30/1,334,746.19 = 357,310.31/x
  3. Step 3: Cross multiply
    889,789.30x = 1,334,746.19 × 357,310.31
  4. Step 4: Simplify right side
    889,789.30x = 476,918,579,150.36
  5. Step 5: Solve for x
    x = 476,918,579,150.36/889,789.30
  6. Step 6: Final answer
    x = 535,990.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.