Home / 804,643.70-1,207,887.15-472,406.90

Finding the Fourth Proportional to 804,643.70, 1,207,887.15 and 472,406.90

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Solution

The fourth proportional to 804,643.70, 1,207,887.15 and 472,406.90 is: 709,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,643.70 : 1,207,887.15 = 472,406.90 : x
  2. Step 2: Convert to fraction form
    804,643.70/1,207,887.15 = 472,406.90/x
  3. Step 3: Cross multiply
    804,643.70x = 1,207,887.15 × 472,406.90
  4. Step 4: Simplify right side
    804,643.70x = 570,614,224,081.34
  5. Step 5: Solve for x
    x = 570,614,224,081.34/804,643.70
  6. Step 6: Final answer
    x = 709,151.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.