Home / 771,066.09-1,156,929.93-298,083.60

Finding the Fourth Proportional to 771,066.09, 1,156,929.93 and 298,083.60

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Solution

The fourth proportional to 771,066.09, 1,156,929.93 and 298,083.60 is: 447,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,066.09 : 1,156,929.93 = 298,083.60 : x
  2. Step 2: Convert to fraction form
    771,066.09/1,156,929.93 = 298,083.60/x
  3. Step 3: Cross multiply
    771,066.09x = 1,156,929.93 × 298,083.60
  4. Step 4: Simplify right side
    771,066.09x = 344,861,838,482.15
  5. Step 5: Solve for x
    x = 344,861,838,482.15/771,066.09
  6. Step 6: Final answer
    x = 447,253.28

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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.