Home / 804,507.64-1,109,903.04-518,193.68

Finding the Fourth Proportional to 804,507.64, 1,109,903.04 and 518,193.68

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Solution

The fourth proportional to 804,507.64, 1,109,903.04 and 518,193.68 is: 714,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,507.64 : 1,109,903.04 = 518,193.68 : x
  2. Step 2: Convert to fraction form
    804,507.64/1,109,903.04 = 518,193.68/x
  3. Step 3: Cross multiply
    804,507.64x = 1,109,903.04 × 518,193.68
  4. Step 4: Simplify right side
    804,507.64x = 575,144,740,740.79
  5. Step 5: Solve for x
    x = 575,144,740,740.79/804,507.64
  6. Step 6: Final answer
    x = 714,902.77

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Double scale
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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.