Home / 738,090.52-1,018,568.57-415,805.69

Finding the Fourth Proportional to 738,090.52, 1,018,568.57 and 415,805.69

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Solution

The fourth proportional to 738,090.52, 1,018,568.57 and 415,805.69 is: 573,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,090.52 : 1,018,568.57 = 415,805.69 : x
  2. Step 2: Convert to fraction form
    738,090.52/1,018,568.57 = 415,805.69/x
  3. Step 3: Cross multiply
    738,090.52x = 1,018,568.57 × 415,805.69
  4. Step 4: Simplify right side
    738,090.52x = 423,526,607,528.56
  5. Step 5: Solve for x
    x = 423,526,607,528.56/738,090.52
  6. Step 6: Final answer
    x = 573,813.91

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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.