Home / 985,279.08-1,359,700.28-577,283.28

Finding the Fourth Proportional to 985,279.08, 1,359,700.28 and 577,283.28

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Solution

The fourth proportional to 985,279.08, 1,359,700.28 and 577,283.28 is: 796,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,279.08 : 1,359,700.28 = 577,283.28 : x
  2. Step 2: Convert to fraction form
    985,279.08/1,359,700.28 = 577,283.28/x
  3. Step 3: Cross multiply
    985,279.08x = 1,359,700.28 × 577,283.28
  4. Step 4: Simplify right side
    985,279.08x = 784,932,237,455.32
  5. Step 5: Solve for x
    x = 784,932,237,455.32/985,279.08
  6. Step 6: Final answer
    x = 796,659.80

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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.