Home / 725,050.84-1,087,686.90-369,871.08

Finding the Fourth Proportional to 725,050.84, 1,087,686.90 and 369,871.08

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Solution

The fourth proportional to 725,050.84, 1,087,686.90 and 369,871.08 is: 554,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,050.84 : 1,087,686.90 = 369,871.08 : x
  2. Step 2: Convert to fraction form
    725,050.84/1,087,686.90 = 369,871.08/x
  3. Step 3: Cross multiply
    725,050.84x = 1,087,686.90 × 369,871.08
  4. Step 4: Simplify right side
    725,050.84x = 402,303,928,404.85
  5. Step 5: Solve for x
    x = 402,303,928,404.85/725,050.84
  6. Step 6: Final answer
    x = 554,863.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.