Home / 883,246.40-1,218,884.64-480,841.28

Finding the Fourth Proportional to 883,246.40, 1,218,884.64 and 480,841.28

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Solution

The fourth proportional to 883,246.40, 1,218,884.64 and 480,841.28 is: 663,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,246.40 : 1,218,884.64 = 480,841.28 : x
  2. Step 2: Convert to fraction form
    883,246.40/1,218,884.64 = 480,841.28/x
  3. Step 3: Cross multiply
    883,246.40x = 1,218,884.64 × 480,841.28
  4. Step 4: Simplify right side
    883,246.40x = 586,090,050,469.94
  5. Step 5: Solve for x
    x = 586,090,050,469.94/883,246.40
  6. Step 6: Final answer
    x = 663,563.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.