Home / 407,781.18-563,119.83-262,841.40

Finding the Fourth Proportional to 407,781.18, 563,119.83 and 262,841.40

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Solution

The fourth proportional to 407,781.18, 563,119.83 and 262,841.40 is: 362,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,781.18 : 563,119.83 = 262,841.40 : x
  2. Step 2: Convert to fraction form
    407,781.18/563,119.83 = 262,841.40/x
  3. Step 3: Cross multiply
    407,781.18x = 563,119.83 × 262,841.40
  4. Step 4: Simplify right side
    407,781.18x = 148,011,204,484.96
  5. Step 5: Solve for x
    x = 148,011,204,484.96/407,781.18
  6. Step 6: Final answer
    x = 362,967.23

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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.