Home / 743,840.58-1,026,994.32-571,451.52

Finding the Fourth Proportional to 743,840.58, 1,026,994.32 and 571,451.52

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Solution

The fourth proportional to 743,840.58, 1,026,994.32 and 571,451.52 is: 788,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,840.58 : 1,026,994.32 = 571,451.52 : x
  2. Step 2: Convert to fraction form
    743,840.58/1,026,994.32 = 571,451.52/x
  3. Step 3: Cross multiply
    743,840.58x = 1,026,994.32 × 571,451.52
  4. Step 4: Simplify right side
    743,840.58x = 586,877,465,195.37
  5. Step 5: Solve for x
    x = 586,877,465,195.37/743,840.58
  6. Step 6: Final answer
    x = 788,982.86

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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.