Home / 559,135.36-837,441.24-258,985.45

Finding the Fourth Proportional to 559,135.36, 837,441.24 and 258,985.45

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Solution

The fourth proportional to 559,135.36, 837,441.24 and 258,985.45 is: 387,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,135.36 : 837,441.24 = 258,985.45 : x
  2. Step 2: Convert to fraction form
    559,135.36/837,441.24 = 258,985.45/x
  3. Step 3: Cross multiply
    559,135.36x = 837,441.24 × 258,985.45
  4. Step 4: Simplify right side
    559,135.36x = 216,885,096,389.96
  5. Step 5: Solve for x
    x = 216,885,096,389.96/559,135.36
  6. Step 6: Final answer
    x = 387,893.72

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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.