Home / 912,992.77-1,259,988.34-510,584.77

Finding the Fourth Proportional to 912,992.77, 1,259,988.34 and 510,584.77

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Solution

The fourth proportional to 912,992.77, 1,259,988.34 and 510,584.77 is: 704,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,992.77 : 1,259,988.34 = 510,584.77 : x
  2. Step 2: Convert to fraction form
    912,992.77/1,259,988.34 = 510,584.77/x
  3. Step 3: Cross multiply
    912,992.77x = 1,259,988.34 × 510,584.77
  4. Step 4: Simplify right side
    912,992.77x = 643,330,849,514.00
  5. Step 5: Solve for x
    x = 643,330,849,514.00/912,992.77
  6. Step 6: Final answer
    x = 704,639.59

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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.