Home / 725,748.90-1,001,567.67-403,464.38

Finding the Fourth Proportional to 725,748.90, 1,001,567.67 and 403,464.38

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Solution

The fourth proportional to 725,748.90, 1,001,567.67 and 403,464.38 is: 556,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,748.90 : 1,001,567.67 = 403,464.38 : x
  2. Step 2: Convert to fraction form
    725,748.90/1,001,567.67 = 403,464.38/x
  3. Step 3: Cross multiply
    725,748.90x = 1,001,567.67 × 403,464.38
  4. Step 4: Simplify right side
    725,748.90x = 404,096,872,483.77
  5. Step 5: Solve for x
    x = 404,096,872,483.77/725,748.90
  6. Step 6: Final answer
    x = 556,799.84

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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.