Home / 811,176.24-1,216,938.92-242,602.40

Finding the Fourth Proportional to 811,176.24, 1,216,938.92 and 242,602.40

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Solution

The fourth proportional to 811,176.24, 1,216,938.92 and 242,602.40 is: 363,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,176.24 : 1,216,938.92 = 242,602.40 : x
  2. Step 2: Convert to fraction form
    811,176.24/1,216,938.92 = 242,602.40/x
  3. Step 3: Cross multiply
    811,176.24x = 1,216,938.92 × 242,602.40
  4. Step 4: Simplify right side
    811,176.24x = 295,232,302,645.41
  5. Step 5: Solve for x
    x = 295,232,302,645.41/811,176.24
  6. Step 6: Final answer
    x = 363,955.81

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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.