Home / 735,915.89-1,015,530.55-430,020.20

Finding the Fourth Proportional to 735,915.89, 1,015,530.55 and 430,020.20

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Solution

The fourth proportional to 735,915.89, 1,015,530.55 and 430,020.20 is: 593,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,915.89 : 1,015,530.55 = 430,020.20 : x
  2. Step 2: Convert to fraction form
    735,915.89/1,015,530.55 = 430,020.20/x
  3. Step 3: Cross multiply
    735,915.89x = 1,015,530.55 × 430,020.20
  4. Step 4: Simplify right side
    735,915.89x = 436,698,651,680.89
  5. Step 5: Solve for x
    x = 436,698,651,680.89/735,915.89
  6. Step 6: Final answer
    x = 593,408.37

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1.5x scale

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.