Home / 505,947.04-698,293.29-302,008.48

Finding the Fourth Proportional to 505,947.04, 698,293.29 and 302,008.48

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Solution

The fourth proportional to 505,947.04, 698,293.29 and 302,008.48 is: 416,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,947.04 : 698,293.29 = 302,008.48 : x
  2. Step 2: Convert to fraction form
    505,947.04/698,293.29 = 302,008.48/x
  3. Step 3: Cross multiply
    505,947.04x = 698,293.29 × 302,008.48
  4. Step 4: Simplify right side
    505,947.04x = 210,890,495,107.10
  5. Step 5: Solve for x
    x = 210,890,495,107.10/505,947.04
  6. Step 6: Final answer
    x = 416,823.26

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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.