Home / 775,316.43-1,162,973.73-242,878.93

Finding the Fourth Proportional to 775,316.43, 1,162,973.73 and 242,878.93

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Solution

The fourth proportional to 775,316.43, 1,162,973.73 and 242,878.93 is: 364,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,316.43 : 1,162,973.73 = 242,878.93 : x
  2. Step 2: Convert to fraction form
    775,316.43/1,162,973.73 = 242,878.93/x
  3. Step 3: Cross multiply
    775,316.43x = 1,162,973.73 × 242,878.93
  4. Step 4: Simplify right side
    775,316.43x = 282,461,815,160.51
  5. Step 5: Solve for x
    x = 282,461,815,160.51/775,316.43
  6. Step 6: Final answer
    x = 364,318.11

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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.