Home / 478,325.09-660,088.53-263,465.15

Finding the Fourth Proportional to 478,325.09, 660,088.53 and 263,465.15

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Solution

The fourth proportional to 478,325.09, 660,088.53 and 263,465.15 is: 363,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,325.09 : 660,088.53 = 263,465.15 : x
  2. Step 2: Convert to fraction form
    478,325.09/660,088.53 = 263,465.15/x
  3. Step 3: Cross multiply
    478,325.09x = 660,088.53 × 263,465.15
  4. Step 4: Simplify right side
    478,325.09x = 173,910,320,269.29
  5. Step 5: Solve for x
    x = 173,910,320,269.29/478,325.09
  6. Step 6: Final answer
    x = 363,581.85

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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.