Home / 748,398.60-1,032,497.01-461,420.46

Finding the Fourth Proportional to 748,398.60, 1,032,497.01 and 461,420.46

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Solution

The fourth proportional to 748,398.60, 1,032,497.01 and 461,420.46 is: 636,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,398.60 : 1,032,497.01 = 461,420.46 : x
  2. Step 2: Convert to fraction form
    748,398.60/1,032,497.01 = 461,420.46/x
  3. Step 3: Cross multiply
    748,398.60x = 1,032,497.01 × 461,420.46
  4. Step 4: Simplify right side
    748,398.60x = 476,415,245,302.83
  5. Step 5: Solve for x
    x = 476,415,245,302.83/748,398.60
  6. Step 6: Final answer
    x = 636,579.55

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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.