Home / 908,810.40-1,363,215.60-768,842.40

Finding the Fourth Proportional to 908,810.40, 1,363,215.60 and 768,842.40

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Solution

The fourth proportional to 908,810.40, 1,363,215.60 and 768,842.40 is: 1,153,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,810.40 : 1,363,215.60 = 768,842.40 : x
  2. Step 2: Convert to fraction form
    908,810.40/1,363,215.60 = 768,842.40/x
  3. Step 3: Cross multiply
    908,810.40x = 1,363,215.60 × 768,842.40
  4. Step 4: Simplify right side
    908,810.40x = 1,048,097,953,621.44
  5. Step 5: Solve for x
    x = 1,048,097,953,621.44/908,810.40
  6. Step 6: Final answer
    x = 1,153,263.60

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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.