Home / 988,835.78-1,483,401.80-357,897.22

Finding the Fourth Proportional to 988,835.78, 1,483,401.80 and 357,897.22

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Solution

The fourth proportional to 988,835.78, 1,483,401.80 and 357,897.22 is: 536,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,835.78 : 1,483,401.80 = 357,897.22 : x
  2. Step 2: Convert to fraction form
    988,835.78/1,483,401.80 = 357,897.22/x
  3. Step 3: Cross multiply
    988,835.78x = 1,483,401.80 × 357,897.22
  4. Step 4: Simplify right side
    988,835.78x = 530,905,377,549.24
  5. Step 5: Solve for x
    x = 530,905,377,549.24/988,835.78
  6. Step 6: Final answer
    x = 536,899.44

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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.