Home / 910,559.20-1,256,564.80-502,661.20

Finding the Fourth Proportional to 910,559.20, 1,256,564.80 and 502,661.20

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Solution

The fourth proportional to 910,559.20, 1,256,564.80 and 502,661.20 is: 693,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,559.20 : 1,256,564.80 = 502,661.20 : x
  2. Step 2: Convert to fraction form
    910,559.20/1,256,564.80 = 502,661.20/x
  3. Step 3: Cross multiply
    910,559.20x = 1,256,564.80 × 502,661.20
  4. Step 4: Simplify right side
    910,559.20x = 631,626,370,245.76
  5. Step 5: Solve for x
    x = 631,626,370,245.76/910,559.20
  6. Step 6: Final answer
    x = 693,668.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.