Home / 804,513.81-1,109,911.60-518,200.07

Finding the Fourth Proportional to 804,513.81, 1,109,911.60 and 518,200.07

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Solution

The fourth proportional to 804,513.81, 1,109,911.60 and 518,200.07 is: 714,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,513.81 : 1,109,911.60 = 518,200.07 : x
  2. Step 2: Convert to fraction form
    804,513.81/1,109,911.60 = 518,200.07/x
  3. Step 3: Cross multiply
    804,513.81x = 1,109,911.60 × 518,200.07
  4. Step 4: Simplify right side
    804,513.81x = 575,156,268,813.81
  5. Step 5: Solve for x
    x = 575,156,268,813.81/804,513.81
  6. Step 6: Final answer
    x = 714,911.62

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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.