Home / 725,447.96-1,001,038.60-419,477.95

Finding the Fourth Proportional to 725,447.96, 1,001,038.60 and 419,477.95

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Solution

The fourth proportional to 725,447.96, 1,001,038.60 and 419,477.95 is: 578,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,447.96 : 1,001,038.60 = 419,477.95 : x
  2. Step 2: Convert to fraction form
    725,447.96/1,001,038.60 = 419,477.95/x
  3. Step 3: Cross multiply
    725,447.96x = 1,001,038.60 × 419,477.95
  4. Step 4: Simplify right side
    725,447.96x = 419,913,619,798.87
  5. Step 5: Solve for x
    x = 419,913,619,798.87/725,447.96
  6. Step 6: Final answer
    x = 578,833.55

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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.