Home / 781,013.58-1,169,859.14-460,820.36

Finding the Fourth Proportional to 781,013.58, 1,169,859.14 and 460,820.36

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Solution

The fourth proportional to 781,013.58, 1,169,859.14 and 460,820.36 is: 690,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,013.58 : 1,169,859.14 = 460,820.36 : x
  2. Step 2: Convert to fraction form
    781,013.58/1,169,859.14 = 460,820.36/x
  3. Step 3: Cross multiply
    781,013.58x = 1,169,859.14 × 460,820.36
  4. Step 4: Simplify right side
    781,013.58x = 539,094,910,044.09
  5. Step 5: Solve for x
    x = 539,094,910,044.09/781,013.58
  6. Step 6: Final answer
    x = 690,250.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.