Home / 859,265.34-1,286,934.66-410,300.64

Finding the Fourth Proportional to 859,265.34, 1,286,934.66 and 410,300.64

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Solution

The fourth proportional to 859,265.34, 1,286,934.66 and 410,300.64 is: 614,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,265.34 : 1,286,934.66 = 410,300.64 : x
  2. Step 2: Convert to fraction form
    859,265.34/1,286,934.66 = 410,300.64/x
  3. Step 3: Cross multiply
    859,265.34x = 1,286,934.66 × 410,300.64
  4. Step 4: Simplify right side
    859,265.34x = 528,030,114,636.18
  5. Step 5: Solve for x
    x = 528,030,114,636.18/859,265.34
  6. Step 6: Final answer
    x = 614,513.46

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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.