Home / 455,001.60-682,502.40-366,428.10

Finding the Fourth Proportional to 455,001.60, 682,502.40 and 366,428.10

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Solution

The fourth proportional to 455,001.60, 682,502.40 and 366,428.10 is: 549,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,001.60 : 682,502.40 = 366,428.10 : x
  2. Step 2: Convert to fraction form
    455,001.60/682,502.40 = 366,428.10/x
  3. Step 3: Cross multiply
    455,001.60x = 682,502.40 × 366,428.10
  4. Step 4: Simplify right side
    455,001.60x = 250,088,057,677.44
  5. Step 5: Solve for x
    x = 250,088,057,677.44/455,001.60
  6. Step 6: Final answer
    x = 549,642.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.