Home / 815,778.77-1,125,460.64-601,428.47

Finding the Fourth Proportional to 815,778.77, 1,125,460.64 and 601,428.47

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Solution

The fourth proportional to 815,778.77, 1,125,460.64 and 601,428.47 is: 829,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,778.77 : 1,125,460.64 = 601,428.47 : x
  2. Step 2: Convert to fraction form
    815,778.77/1,125,460.64 = 601,428.47/x
  3. Step 3: Cross multiply
    815,778.77x = 1,125,460.64 × 601,428.47
  4. Step 4: Simplify right side
    815,778.77x = 676,884,066,636.69
  5. Step 5: Solve for x
    x = 676,884,066,636.69/815,778.77
  6. Step 6: Final answer
    x = 829,739.75

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1.5x scale

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.