Home / 912,937.13-1,259,890.34-505,031.94

Finding the Fourth Proportional to 912,937.13, 1,259,890.34 and 505,031.94

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Solution

The fourth proportional to 912,937.13, 1,259,890.34 and 505,031.94 is: 696,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,937.13 : 1,259,890.34 = 505,031.94 : x
  2. Step 2: Convert to fraction form
    912,937.13/1,259,890.34 = 505,031.94/x
  3. Step 3: Cross multiply
    912,937.13x = 1,259,890.34 × 505,031.94
  4. Step 4: Simplify right side
    912,937.13x = 636,284,856,528.86
  5. Step 5: Solve for x
    x = 636,284,856,528.86/912,937.13
  6. Step 6: Final answer
    x = 696,964.60

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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.