Home / 910,666.59-1,256,721.75-502,769.22

Finding the Fourth Proportional to 910,666.59, 1,256,721.75 and 502,769.22

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Solution

The fourth proportional to 910,666.59, 1,256,721.75 and 502,769.22 is: 693,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,666.59 : 1,256,721.75 = 502,769.22 : x
  2. Step 2: Convert to fraction form
    910,666.59/1,256,721.75 = 502,769.22/x
  3. Step 3: Cross multiply
    910,666.59x = 1,256,721.75 × 502,769.22
  4. Step 4: Simplify right side
    910,666.59x = 631,841,014,004.54
  5. Step 5: Solve for x
    x = 631,841,014,004.54/910,666.59
  6. Step 6: Final answer
    x = 693,822.55

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1.5x scale

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.