Home / 724,805.99-1,000,245.82-402,546.28

Finding the Fourth Proportional to 724,805.99, 1,000,245.82 and 402,546.28

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Solution

The fourth proportional to 724,805.99, 1,000,245.82 and 402,546.28 is: 555,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,805.99 : 1,000,245.82 = 402,546.28 : x
  2. Step 2: Convert to fraction form
    724,805.99/1,000,245.82 = 402,546.28/x
  3. Step 3: Cross multiply
    724,805.99x = 1,000,245.82 × 402,546.28
  4. Step 4: Simplify right side
    724,805.99x = 402,645,228,925.32
  5. Step 5: Solve for x
    x = 402,645,228,925.32/724,805.99
  6. Step 6: Final answer
    x = 555,521.39

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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.