Home / 925,814.40-1,388,721.60-452,803.20

Finding the Fourth Proportional to 925,814.40, 1,388,721.60 and 452,803.20

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Solution

The fourth proportional to 925,814.40, 1,388,721.60 and 452,803.20 is: 679,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,814.40 : 1,388,721.60 = 452,803.20 : x
  2. Step 2: Convert to fraction form
    925,814.40/1,388,721.60 = 452,803.20/x
  3. Step 3: Cross multiply
    925,814.40x = 1,388,721.60 × 452,803.20
  4. Step 4: Simplify right side
    925,814.40x = 628,817,584,389.12
  5. Step 5: Solve for x
    x = 628,817,584,389.12/925,814.40
  6. Step 6: Final answer
    x = 679,204.80

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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.