Home / 909,934.78-1,255,714.36-502,036.60

Finding the Fourth Proportional to 909,934.78, 1,255,714.36 and 502,036.60

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Solution

The fourth proportional to 909,934.78, 1,255,714.36 and 502,036.60 is: 692,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,934.78 : 1,255,714.36 = 502,036.60 : x
  2. Step 2: Convert to fraction form
    909,934.78/1,255,714.36 = 502,036.60/x
  3. Step 3: Cross multiply
    909,934.78x = 1,255,714.36 × 502,036.60
  4. Step 4: Simplify right side
    909,934.78x = 630,414,567,865.58
  5. Step 5: Solve for x
    x = 630,414,567,865.58/909,934.78
  6. Step 6: Final answer
    x = 692,812.92

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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.