Home / 998,849.09-1,378,417.07-546,140.09

Finding the Fourth Proportional to 998,849.09, 1,378,417.07 and 546,140.09

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Solution

The fourth proportional to 998,849.09, 1,378,417.07 and 546,140.09 is: 753,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,849.09 : 1,378,417.07 = 546,140.09 : x
  2. Step 2: Convert to fraction form
    998,849.09/1,378,417.07 = 546,140.09/x
  3. Step 3: Cross multiply
    998,849.09x = 1,378,417.07 × 546,140.09
  4. Step 4: Simplify right side
    998,849.09x = 752,808,827,478.73
  5. Step 5: Solve for x
    x = 752,808,827,478.73/998,849.09
  6. Step 6: Final answer
    x = 753,676.24

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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.