Home / 920,343.95-1,270,059.49-538,435.43

Finding the Fourth Proportional to 920,343.95, 1,270,059.49 and 538,435.43

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Solution

The fourth proportional to 920,343.95, 1,270,059.49 and 538,435.43 is: 743,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,343.95 : 1,270,059.49 = 538,435.43 : x
  2. Step 2: Convert to fraction form
    920,343.95/1,270,059.49 = 538,435.43/x
  3. Step 3: Cross multiply
    920,343.95x = 1,270,059.49 × 538,435.43
  4. Step 4: Simplify right side
    920,343.95x = 683,845,029,452.79
  5. Step 5: Solve for x
    x = 683,845,029,452.79/920,343.95
  6. Step 6: Final answer
    x = 743,032.02

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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.