Home / 804,503.64-1,109,897.52-518,189.68

Finding the Fourth Proportional to 804,503.64, 1,109,897.52 and 518,189.68

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Solution

The fourth proportional to 804,503.64, 1,109,897.52 and 518,189.68 is: 714,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,503.64 : 1,109,897.52 = 518,189.68 : x
  2. Step 2: Convert to fraction form
    804,503.64/1,109,897.52 = 518,189.68/x
  3. Step 3: Cross multiply
    804,503.64x = 1,109,897.52 × 518,189.68
  4. Step 4: Simplify right side
    804,503.64x = 575,137,440,721.59
  5. Step 5: Solve for x
    x = 575,137,440,721.59/804,503.64
  6. Step 6: Final answer
    x = 714,897.25

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1.5x scale

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.