Home / 725,682.65-1,088,655.59-298,981.53

Finding the Fourth Proportional to 725,682.65, 1,088,655.59 and 298,981.53

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Solution

The fourth proportional to 725,682.65, 1,088,655.59 and 298,981.53 is: 448,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,682.65 : 1,088,655.59 = 298,981.53 : x
  2. Step 2: Convert to fraction form
    725,682.65/1,088,655.59 = 298,981.53/x
  3. Step 3: Cross multiply
    725,682.65x = 1,088,655.59 × 298,981.53
  4. Step 4: Simplify right side
    725,682.65x = 325,487,914,688.71
  5. Step 5: Solve for x
    x = 325,487,914,688.71/725,682.65
  6. Step 6: Final answer
    x = 448,526.52

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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.