Home / 970,511.40-1,455,810.30-330,805.80

Finding the Fourth Proportional to 970,511.40, 1,455,810.30 and 330,805.80

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Solution

The fourth proportional to 970,511.40, 1,455,810.30 and 330,805.80 is: 496,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,511.40 : 1,455,810.30 = 330,805.80 : x
  2. Step 2: Convert to fraction form
    970,511.40/1,455,810.30 = 330,805.80/x
  3. Step 3: Cross multiply
    970,511.40x = 1,455,810.30 × 330,805.80
  4. Step 4: Simplify right side
    970,511.40x = 481,590,490,939.74
  5. Step 5: Solve for x
    x = 481,590,490,939.74/970,511.40
  6. Step 6: Final answer
    x = 496,223.43

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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.