Home / 909,971.92-1,255,799.23-502,100.22

Finding the Fourth Proportional to 909,971.92, 1,255,799.23 and 502,100.22

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Solution

The fourth proportional to 909,971.92, 1,255,799.23 and 502,100.22 is: 692,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,971.92 : 1,255,799.23 = 502,100.22 : x
  2. Step 2: Convert to fraction form
    909,971.92/1,255,799.23 = 502,100.22/x
  3. Step 3: Cross multiply
    909,971.92x = 1,255,799.23 × 502,100.22
  4. Step 4: Simplify right side
    909,971.92x = 630,537,066,048.96
  5. Step 5: Solve for x
    x = 630,537,066,048.96/909,971.92
  6. Step 6: Final answer
    x = 692,919.26

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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.