Home / 909,944.10-1,255,664.51-502,045.88

Finding the Fourth Proportional to 909,944.10, 1,255,664.51 and 502,045.88

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Solution

The fourth proportional to 909,944.10, 1,255,664.51 and 502,045.88 is: 692,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,944.10 : 1,255,664.51 = 502,045.88 : x
  2. Step 2: Convert to fraction form
    909,944.10/1,255,664.51 = 502,045.88/x
  3. Step 3: Cross multiply
    909,944.10x = 1,255,664.51 × 502,045.88
  4. Step 4: Simplify right side
    909,944.10x = 630,401,185,119.17
  5. Step 5: Solve for x
    x = 630,401,185,119.17/909,944.10
  6. Step 6: Final answer
    x = 692,791.11

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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.