Home / 778,974.30-1,168,461.45-768,476.70

Finding the Fourth Proportional to 778,974.30, 1,168,461.45 and 768,476.70

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Solution

The fourth proportional to 778,974.30, 1,168,461.45 and 768,476.70 is: 1,152,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,974.30 : 1,168,461.45 = 768,476.70 : x
  2. Step 2: Convert to fraction form
    778,974.30/1,168,461.45 = 768,476.70/x
  3. Step 3: Cross multiply
    778,974.30x = 1,168,461.45 × 768,476.70
  4. Step 4: Simplify right side
    778,974.30x = 897,935,399,173.22
  5. Step 5: Solve for x
    x = 897,935,399,173.22/778,974.30
  6. Step 6: Final answer
    x = 1,152,715.05

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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.