Home / 497,439.72-686,697.30-293,421.96

Finding the Fourth Proportional to 497,439.72, 686,697.30 and 293,421.96

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Solution

The fourth proportional to 497,439.72, 686,697.30 and 293,421.96 is: 405,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,439.72 : 686,697.30 = 293,421.96 : x
  2. Step 2: Convert to fraction form
    497,439.72/686,697.30 = 293,421.96/x
  3. Step 3: Cross multiply
    497,439.72x = 686,697.30 × 293,421.96
  4. Step 4: Simplify right side
    497,439.72x = 201,492,067,692.71
  5. Step 5: Solve for x
    x = 201,492,067,692.71/497,439.72
  6. Step 6: Final answer
    x = 405,058.26

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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.