Home / 985,579.34-1,360,390.36-577,769.45

Finding the Fourth Proportional to 985,579.34, 1,360,390.36 and 577,769.45

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Solution

The fourth proportional to 985,579.34, 1,360,390.36 and 577,769.45 is: 797,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,579.34 : 1,360,390.36 = 577,769.45 : x
  2. Step 2: Convert to fraction form
    985,579.34/1,360,390.36 = 577,769.45/x
  3. Step 3: Cross multiply
    985,579.34x = 1,360,390.36 × 577,769.45
  4. Step 4: Simplify right side
    985,579.34x = 785,991,991,526.93
  5. Step 5: Solve for x
    x = 785,991,991,526.93/985,579.34
  6. Step 6: Final answer
    x = 797,492.36

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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.