Home / 970,821.10-1,456,231.65-545,668.30

Finding the Fourth Proportional to 970,821.10, 1,456,231.65 and 545,668.30

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Solution

The fourth proportional to 970,821.10, 1,456,231.65 and 545,668.30 is: 818,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,821.10 : 1,456,231.65 = 545,668.30 : x
  2. Step 2: Convert to fraction form
    970,821.10/1,456,231.65 = 545,668.30/x
  3. Step 3: Cross multiply
    970,821.10x = 1,456,231.65 × 545,668.30
  4. Step 4: Simplify right side
    970,821.10x = 794,619,448,861.70
  5. Step 5: Solve for x
    x = 794,619,448,861.70/970,821.10
  6. Step 6: Final answer
    x = 818,502.45

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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.