Home / 773,106.40-1,159,659.60-457,400.80

Finding the Fourth Proportional to 773,106.40, 1,159,659.60 and 457,400.80

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Solution

The fourth proportional to 773,106.40, 1,159,659.60 and 457,400.80 is: 686,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,106.40 : 1,159,659.60 = 457,400.80 : x
  2. Step 2: Convert to fraction form
    773,106.40/1,159,659.60 = 457,400.80/x
  3. Step 3: Cross multiply
    773,106.40x = 1,159,659.60 × 457,400.80
  4. Step 4: Simplify right side
    773,106.40x = 530,429,228,767.68
  5. Step 5: Solve for x
    x = 530,429,228,767.68/773,106.40
  6. Step 6: Final answer
    x = 686,101.20

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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.