Home / 985,610.40-1,360,139.64-550,023.09

Finding the Fourth Proportional to 985,610.40, 1,360,139.64 and 550,023.09

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Solution

The fourth proportional to 985,610.40, 1,360,139.64 and 550,023.09 is: 759,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,610.40 : 1,360,139.64 = 550,023.09 : x
  2. Step 2: Convert to fraction form
    985,610.40/1,360,139.64 = 550,023.09/x
  3. Step 3: Cross multiply
    985,610.40x = 1,360,139.64 × 550,023.09
  4. Step 4: Simplify right side
    985,610.40x = 748,108,207,624.29
  5. Step 5: Solve for x
    x = 748,108,207,624.29/985,610.40
  6. Step 6: Final answer
    x = 759,030.35

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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.