Home / 725,002.83-1,000,503.39-402,742.89

Finding the Fourth Proportional to 725,002.83, 1,000,503.39 and 402,742.89

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Solution

The fourth proportional to 725,002.83, 1,000,503.39 and 402,742.89 is: 555,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,002.83 : 1,000,503.39 = 402,742.89 : x
  2. Step 2: Convert to fraction form
    725,002.83/1,000,503.39 = 402,742.89/x
  3. Step 3: Cross multiply
    725,002.83x = 1,000,503.39 × 402,742.89
  4. Step 4: Simplify right side
    725,002.83x = 402,945,626,743.40
  5. Step 5: Solve for x
    x = 402,945,626,743.40/725,002.83
  6. Step 6: Final answer
    x = 555,784.90

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1.5x scale

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.