Home / 759,444.96-1,047,540.24-487,081.44

Finding the Fourth Proportional to 759,444.96, 1,047,540.24 and 487,081.44

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Solution

The fourth proportional to 759,444.96, 1,047,540.24 and 487,081.44 is: 671,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,444.96 : 1,047,540.24 = 487,081.44 : x
  2. Step 2: Convert to fraction form
    759,444.96/1,047,540.24 = 487,081.44/x
  3. Step 3: Cross multiply
    759,444.96x = 1,047,540.24 × 487,081.44
  4. Step 4: Simplify right side
    759,444.96x = 510,237,408,557.15
  5. Step 5: Solve for x
    x = 510,237,408,557.15/759,444.96
  6. Step 6: Final answer
    x = 671,855.68

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Double scale
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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.