Home / 943,483.20-1,413,915.48-429,893.20

Finding the Fourth Proportional to 943,483.20, 1,413,915.48 and 429,893.20

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Solution

The fourth proportional to 943,483.20, 1,413,915.48 and 429,893.20 is: 644,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,483.20 : 1,413,915.48 = 429,893.20 : x
  2. Step 2: Convert to fraction form
    943,483.20/1,413,915.48 = 429,893.20/x
  3. Step 3: Cross multiply
    943,483.20x = 1,413,915.48 × 429,893.20
  4. Step 4: Simplify right side
    943,483.20x = 607,832,644,040.86
  5. Step 5: Solve for x
    x = 607,832,644,040.86/943,483.20
  6. Step 6: Final answer
    x = 644,243.21

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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.