Home / 985,620.48-1,359,899.16-577,503.06

Finding the Fourth Proportional to 985,620.48, 1,359,899.16 and 577,503.06

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Solution

The fourth proportional to 985,620.48, 1,359,899.16 and 577,503.06 is: 796,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,620.48 : 1,359,899.16 = 577,503.06 : x
  2. Step 2: Convert to fraction form
    985,620.48/1,359,899.16 = 577,503.06/x
  3. Step 3: Cross multiply
    985,620.48x = 1,359,899.16 × 577,503.06
  4. Step 4: Simplify right side
    985,620.48x = 785,345,926,191.43
  5. Step 5: Solve for x
    x = 785,345,926,191.43/985,620.48
  6. Step 6: Final answer
    x = 796,803.58

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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.