Home / 407,065.03-561,382.04-254,117.35

Finding the Fourth Proportional to 407,065.03, 561,382.04 and 254,117.35

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Solution

The fourth proportional to 407,065.03, 561,382.04 and 254,117.35 is: 350,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,065.03 : 561,382.04 = 254,117.35 : x
  2. Step 2: Convert to fraction form
    407,065.03/561,382.04 = 254,117.35/x
  3. Step 3: Cross multiply
    407,065.03x = 561,382.04 × 254,117.35
  4. Step 4: Simplify right side
    407,065.03x = 142,656,917,679.42
  5. Step 5: Solve for x
    x = 142,656,917,679.42/407,065.03
  6. Step 6: Final answer
    x = 350,452.40

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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.