Home / 725,315.04-1,000,876.16-419,411.25

Finding the Fourth Proportional to 725,315.04, 1,000,876.16 and 419,411.25

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Solution

The fourth proportional to 725,315.04, 1,000,876.16 and 419,411.25 is: 578,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,315.04 : 1,000,876.16 = 419,411.25 : x
  2. Step 2: Convert to fraction form
    725,315.04/1,000,876.16 = 419,411.25/x
  3. Step 3: Cross multiply
    725,315.04x = 1,000,876.16 × 419,411.25
  4. Step 4: Simplify right side
    725,315.04x = 419,778,722,409.33
  5. Step 5: Solve for x
    x = 419,778,722,409.33/725,315.04
  6. Step 6: Final answer
    x = 578,753.64

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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.