Home / 806,552.40-1,209,828.60-767,186.40

Finding the Fourth Proportional to 806,552.40, 1,209,828.60 and 767,186.40

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Solution

The fourth proportional to 806,552.40, 1,209,828.60 and 767,186.40 is: 1,150,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,552.40 : 1,209,828.60 = 767,186.40 : x
  2. Step 2: Convert to fraction form
    806,552.40/1,209,828.60 = 767,186.40/x
  3. Step 3: Cross multiply
    806,552.40x = 1,209,828.60 × 767,186.40
  4. Step 4: Simplify right side
    806,552.40x = 928,164,048,251.04
  5. Step 5: Solve for x
    x = 928,164,048,251.04/806,552.40
  6. Step 6: Final answer
    x = 1,150,779.60

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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.