Home / 986,739.01-1,480,699.00-425,773.51

Finding the Fourth Proportional to 986,739.01, 1,480,699.00 and 425,773.51

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Solution

The fourth proportional to 986,739.01, 1,480,699.00 and 425,773.51 is: 638,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,739.01 : 1,480,699.00 = 425,773.51 : x
  2. Step 2: Convert to fraction form
    986,739.01/1,480,699.00 = 425,773.51/x
  3. Step 3: Cross multiply
    986,739.01x = 1,480,699.00 × 425,773.51
  4. Step 4: Simplify right side
    986,739.01x = 630,442,408,354.62
  5. Step 5: Solve for x
    x = 630,442,408,354.62/986,739.01
  6. Step 6: Final answer
    x = 638,915.05

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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.