Home / 985,579.47-1,360,390.53-577,769.58

Finding the Fourth Proportional to 985,579.47, 1,360,390.53 and 577,769.58

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Solution

The fourth proportional to 985,579.47, 1,360,390.53 and 577,769.58 is: 797,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,579.47 : 1,360,390.53 = 577,769.58 : x
  2. Step 2: Convert to fraction form
    985,579.47/1,360,390.53 = 577,769.58/x
  3. Step 3: Cross multiply
    985,579.47x = 1,360,390.53 × 577,769.58
  4. Step 4: Simplify right side
    985,579.47x = 785,992,262,219.25
  5. Step 5: Solve for x
    x = 785,992,262,219.25/985,579.47
  6. Step 6: Final answer
    x = 797,492.53

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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.