Home / 804,501.30-1,109,894.36-518,187.57

Finding the Fourth Proportional to 804,501.30, 1,109,894.36 and 518,187.57

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Solution

The fourth proportional to 804,501.30, 1,109,894.36 and 518,187.57 is: 714,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,501.30 : 1,109,894.36 = 518,187.57 : x
  2. Step 2: Convert to fraction form
    804,501.30/1,109,894.36 = 518,187.57/x
  3. Step 3: Cross multiply
    804,501.30x = 1,109,894.36 × 518,187.57
  4. Step 4: Simplify right side
    804,501.30x = 575,133,461,365.11
  5. Step 5: Solve for x
    x = 575,133,461,365.11/804,501.30
  6. Step 6: Final answer
    x = 714,894.38

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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.