Home / 478,828.14-660,790.17-261,036.96

Finding the Fourth Proportional to 478,828.14, 660,790.17 and 261,036.96

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Solution

The fourth proportional to 478,828.14, 660,790.17 and 261,036.96 is: 360,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,828.14 : 660,790.17 = 261,036.96 : x
  2. Step 2: Convert to fraction form
    478,828.14/660,790.17 = 261,036.96/x
  3. Step 3: Cross multiply
    478,828.14x = 660,790.17 × 261,036.96
  4. Step 4: Simplify right side
    478,828.14x = 172,490,657,174.68
  5. Step 5: Solve for x
    x = 172,490,657,174.68/478,828.14
  6. Step 6: Final answer
    x = 360,235.00

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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.