Home / 725,860.13-1,001,686.97-407,908.13

Finding the Fourth Proportional to 725,860.13, 1,001,686.97 and 407,908.13

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Solution

The fourth proportional to 725,860.13, 1,001,686.97 and 407,908.13 is: 562,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,860.13 : 1,001,686.97 = 407,908.13 : x
  2. Step 2: Convert to fraction form
    725,860.13/1,001,686.97 = 407,908.13/x
  3. Step 3: Cross multiply
    725,860.13x = 1,001,686.97 × 407,908.13
  4. Step 4: Simplify right side
    725,860.13x = 408,596,254,789.40
  5. Step 5: Solve for x
    x = 408,596,254,789.40/725,860.13
  6. Step 6: Final answer
    x = 562,913.21

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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.