Home / 748,425.79-1,032,828-404,261.72

Finding the Fourth Proportional to 748,425.79, 1,032,828 and 404,261.72

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Solution

The fourth proportional to 748,425.79, 1,032,828 and 404,261.72 is: 557,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,425.79 : 1,032,828 = 404,261.72 : x
  2. Step 2: Convert to fraction form
    748,425.79/1,032,828 = 404,261.72/x
  3. Step 3: Cross multiply
    748,425.79x = 1,032,828 × 404,261.72
  4. Step 4: Simplify right side
    748,425.79x = 417,532,823,744.16
  5. Step 5: Solve for x
    x = 417,532,823,744.16/748,425.79
  6. Step 6: Final answer
    x = 557,881.39

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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.