Home / 715,054.48-1,072,575.80-288,583.76

Finding the Fourth Proportional to 715,054.48, 1,072,575.80 and 288,583.76

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Solution

The fourth proportional to 715,054.48, 1,072,575.80 and 288,583.76 is: 432,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,054.48 : 1,072,575.80 = 288,583.76 : x
  2. Step 2: Convert to fraction form
    715,054.48/1,072,575.80 = 288,583.76/x
  3. Step 3: Cross multiply
    715,054.48x = 1,072,575.80 × 288,583.76
  4. Step 4: Simplify right side
    715,054.48x = 309,527,957,249.01
  5. Step 5: Solve for x
    x = 309,527,957,249.01/715,054.48
  6. Step 6: Final answer
    x = 432,873.25

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1.5x scale

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.