Home / 778,841.70-1,168,371.90-246,307.20

Finding the Fourth Proportional to 778,841.70, 1,168,371.90 and 246,307.20

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Solution

The fourth proportional to 778,841.70, 1,168,371.90 and 246,307.20 is: 369,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,841.70 : 1,168,371.90 = 246,307.20 : x
  2. Step 2: Convert to fraction form
    778,841.70/1,168,371.90 = 246,307.20/x
  3. Step 3: Cross multiply
    778,841.70x = 1,168,371.90 × 246,307.20
  4. Step 4: Simplify right side
    778,841.70x = 287,778,411,247.68
  5. Step 5: Solve for x
    x = 287,778,411,247.68/778,841.70
  6. Step 6: Final answer
    x = 369,495.38

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Double scale
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1.5x scale

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.