Home / 804,370.02-1,109,987.34-460,212.78

Finding the Fourth Proportional to 804,370.02, 1,109,987.34 and 460,212.78

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Solution

The fourth proportional to 804,370.02, 1,109,987.34 and 460,212.78 is: 635,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,370.02 : 1,109,987.34 = 460,212.78 : x
  2. Step 2: Convert to fraction form
    804,370.02/1,109,987.34 = 460,212.78/x
  3. Step 3: Cross multiply
    804,370.02x = 1,109,987.34 × 460,212.78
  4. Step 4: Simplify right side
    804,370.02x = 510,830,359,506.21
  5. Step 5: Solve for x
    x = 510,830,359,506.21/804,370.02
  6. Step 6: Final answer
    x = 635,068.87

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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.