Home / 909,714.57-1,255,383.93-501,807.48

Finding the Fourth Proportional to 909,714.57, 1,255,383.93 and 501,807.48

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Solution

The fourth proportional to 909,714.57, 1,255,383.93 and 501,807.48 is: 692,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,714.57 : 1,255,383.93 = 501,807.48 : x
  2. Step 2: Convert to fraction form
    909,714.57/1,255,383.93 = 501,807.48/x
  3. Step 3: Cross multiply
    909,714.57x = 1,255,383.93 × 501,807.48
  4. Step 4: Simplify right side
    909,714.57x = 629,961,046,345.80
  5. Step 5: Solve for x
    x = 629,961,046,345.80/909,714.57
  6. Step 6: Final answer
    x = 692,482.09

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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.