Home / 758,630.40-1,046,902.08-419,076.48

Finding the Fourth Proportional to 758,630.40, 1,046,902.08 and 419,076.48

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Solution

The fourth proportional to 758,630.40, 1,046,902.08 and 419,076.48 is: 578,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,630.40 : 1,046,902.08 = 419,076.48 : x
  2. Step 2: Convert to fraction form
    758,630.40/1,046,902.08 = 419,076.48/x
  3. Step 3: Cross multiply
    758,630.40x = 1,046,902.08 × 419,076.48
  4. Step 4: Simplify right side
    758,630.40x = 438,732,038,591.08
  5. Step 5: Solve for x
    x = 438,732,038,591.08/758,630.40
  6. Step 6: Final answer
    x = 578,321.19

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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.