Home / 786,602.80-1,180,154.04-331,434.64

Finding the Fourth Proportional to 786,602.80, 1,180,154.04 and 331,434.64

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Solution

The fourth proportional to 786,602.80, 1,180,154.04 and 331,434.64 is: 497,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,602.80 : 1,180,154.04 = 331,434.64 : x
  2. Step 2: Convert to fraction form
    786,602.80/1,180,154.04 = 331,434.64/x
  3. Step 3: Cross multiply
    786,602.80x = 1,180,154.04 × 331,434.64
  4. Step 4: Simplify right side
    786,602.80x = 391,143,929,391.95
  5. Step 5: Solve for x
    x = 391,143,929,391.95/786,602.80
  6. Step 6: Final answer
    x = 497,257.23

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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.