Home / 782,765.38-1,173,841.71-277,130.98

Finding the Fourth Proportional to 782,765.38, 1,173,841.71 and 277,130.98

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Solution

The fourth proportional to 782,765.38, 1,173,841.71 and 277,130.98 is: 415,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,765.38 : 1,173,841.71 = 277,130.98 : x
  2. Step 2: Convert to fraction form
    782,765.38/1,173,841.71 = 277,130.98/x
  3. Step 3: Cross multiply
    782,765.38x = 1,173,841.71 × 277,130.98
  4. Step 4: Simplify right side
    782,765.38x = 325,307,903,457.18
  5. Step 5: Solve for x
    x = 325,307,903,457.18/782,765.38
  6. Step 6: Final answer
    x = 415,588.01

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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.