Home / 743,897.22-1,114,911.90-402,327.03

Finding the Fourth Proportional to 743,897.22, 1,114,911.90 and 402,327.03

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Solution

The fourth proportional to 743,897.22, 1,114,911.90 and 402,327.03 is: 602,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,897.22 : 1,114,911.90 = 402,327.03 : x
  2. Step 2: Convert to fraction form
    743,897.22/1,114,911.90 = 402,327.03/x
  3. Step 3: Cross multiply
    743,897.22x = 1,114,911.90 × 402,327.03
  4. Step 4: Simplify right side
    743,897.22x = 448,559,189,257.74
  5. Step 5: Solve for x
    x = 448,559,189,257.74/743,897.22
  6. Step 6: Final answer
    x = 602,985.44

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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.