Home / 990,822.40-1,486,233.60-242,868.40

Finding the Fourth Proportional to 990,822.40, 1,486,233.60 and 242,868.40

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Solution

The fourth proportional to 990,822.40, 1,486,233.60 and 242,868.40 is: 364,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,822.40 : 1,486,233.60 = 242,868.40 : x
  2. Step 2: Convert to fraction form
    990,822.40/1,486,233.60 = 242,868.40/x
  3. Step 3: Cross multiply
    990,822.40x = 1,486,233.60 × 242,868.40
  4. Step 4: Simplify right side
    990,822.40x = 360,959,176,458.24
  5. Step 5: Solve for x
    x = 360,959,176,458.24/990,822.40
  6. Step 6: Final answer
    x = 364,302.60

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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.