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Finding the Fourth Proportional to 580,053.12, 800,478.77 and 325,409.77

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Solution

The fourth proportional to 580,053.12, 800,478.77 and 325,409.77 is: 449,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,053.12 : 800,478.77 = 325,409.77 : x
  2. Step 2: Convert to fraction form
    580,053.12/800,478.77 = 325,409.77/x
  3. Step 3: Cross multiply
    580,053.12x = 800,478.77 × 325,409.77
  4. Step 4: Simplify right side
    580,053.12x = 260,483,610,808.53
  5. Step 5: Solve for x
    x = 260,483,610,808.53/580,053.12
  6. Step 6: Final answer
    x = 449,068.55

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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.