Home / 715,053.14-1,072,565.81-288,577.61

Finding the Fourth Proportional to 715,053.14, 1,072,565.81 and 288,577.61

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Solution

The fourth proportional to 715,053.14, 1,072,565.81 and 288,577.61 is: 432,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,053.14 : 1,072,565.81 = 288,577.61 : x
  2. Step 2: Convert to fraction form
    715,053.14/1,072,565.81 = 288,577.61/x
  3. Step 3: Cross multiply
    715,053.14x = 1,072,565.81 × 288,577.61
  4. Step 4: Simplify right side
    715,053.14x = 309,518,476,574.63
  5. Step 5: Solve for x
    x = 309,518,476,574.63/715,053.14
  6. Step 6: Final answer
    x = 432,860.80

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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.