Home / 778,842.20-1,168,372.65-246,307.70

Finding the Fourth Proportional to 778,842.20, 1,168,372.65 and 246,307.70

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Solution

The fourth proportional to 778,842.20, 1,168,372.65 and 246,307.70 is: 369,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,842.20 : 1,168,372.65 = 246,307.70 : x
  2. Step 2: Convert to fraction form
    778,842.20/1,168,372.65 = 246,307.70/x
  3. Step 3: Cross multiply
    778,842.20x = 1,168,372.65 × 246,307.70
  4. Step 4: Simplify right side
    778,842.20x = 287,779,180,164.41
  5. Step 5: Solve for x
    x = 287,779,180,164.41/778,842.20
  6. Step 6: Final answer
    x = 369,496.13

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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.