Home / 758,515.78-1,046,748.58-418,984.03

Finding the Fourth Proportional to 758,515.78, 1,046,748.58 and 418,984.03

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Solution

The fourth proportional to 758,515.78, 1,046,748.58 and 418,984.03 is: 578,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,515.78 : 1,046,748.58 = 418,984.03 : x
  2. Step 2: Convert to fraction form
    758,515.78/1,046,748.58 = 418,984.03/x
  3. Step 3: Cross multiply
    758,515.78x = 1,046,748.58 × 418,984.03
  4. Step 4: Simplify right side
    758,515.78x = 438,570,938,445.18
  5. Step 5: Solve for x
    x = 438,570,938,445.18/758,515.78
  6. Step 6: Final answer
    x = 578,196.20

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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.