Home / 779,670.32-1,168,563.60-379,711.76

Finding the Fourth Proportional to 779,670.32, 1,168,563.60 and 379,711.76

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Solution

The fourth proportional to 779,670.32, 1,168,563.60 and 379,711.76 is: 569,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,670.32 : 1,168,563.60 = 379,711.76 : x
  2. Step 2: Convert to fraction form
    779,670.32/1,168,563.60 = 379,711.76/x
  3. Step 3: Cross multiply
    779,670.32x = 1,168,563.60 × 379,711.76
  4. Step 4: Simplify right side
    779,670.32x = 443,717,341,227.94
  5. Step 5: Solve for x
    x = 443,717,341,227.94/779,670.32
  6. Step 6: Final answer
    x = 569,108.93

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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.