Home / 910,555.06-1,256,567.85-502,657.43

Finding the Fourth Proportional to 910,555.06, 1,256,567.85 and 502,657.43

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Solution

The fourth proportional to 910,555.06, 1,256,567.85 and 502,657.43 is: 693,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,555.06 : 1,256,567.85 = 502,657.43 : x
  2. Step 2: Convert to fraction form
    910,555.06/1,256,567.85 = 502,657.43/x
  3. Step 3: Cross multiply
    910,555.06x = 1,256,567.85 × 502,657.43
  4. Step 4: Simplify right side
    910,555.06x = 631,623,166,091.67
  5. Step 5: Solve for x
    x = 631,623,166,091.67/910,555.06
  6. Step 6: Final answer
    x = 693,668.29

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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.