Home / 772,364.40-1,157,855.40-298,892.40

Finding the Fourth Proportional to 772,364.40, 1,157,855.40 and 298,892.40

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Solution

The fourth proportional to 772,364.40, 1,157,855.40 and 298,892.40 is: 448,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,364.40 : 1,157,855.40 = 298,892.40 : x
  2. Step 2: Convert to fraction form
    772,364.40/1,157,855.40 = 298,892.40/x
  3. Step 3: Cross multiply
    772,364.40x = 1,157,855.40 × 298,892.40
  4. Step 4: Simplify right side
    772,364.40x = 346,074,179,358.96
  5. Step 5: Solve for x
    x = 346,074,179,358.96/772,364.40
  6. Step 6: Final answer
    x = 448,071.12

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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.