Home / 1,023,710.40-1,535,680.80-313,732.80

Finding the Fourth Proportional to 1,023,710.40, 1,535,680.80 and 313,732.80

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Solution

The fourth proportional to 1,023,710.40, 1,535,680.80 and 313,732.80 is: 470,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,710.40 : 1,535,680.80 = 313,732.80 : x
  2. Step 2: Convert to fraction form
    1,023,710.40/1,535,680.80 = 313,732.80/x
  3. Step 3: Cross multiply
    1,023,710.40x = 1,535,680.80 × 313,732.80
  4. Step 4: Simplify right side
    1,023,710.40x = 481,793,437,290.24
  5. Step 5: Solve for x
    x = 481,793,437,290.24/1,023,710.40
  6. Step 6: Final answer
    x = 470,634.50

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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.