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Finding the Fourth Proportional to 601,770.29, 830,528.06 and 372,401.44

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Solution

The fourth proportional to 601,770.29, 830,528.06 and 372,401.44 is: 513,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,770.29 : 830,528.06 = 372,401.44 : x
  2. Step 2: Convert to fraction form
    601,770.29/830,528.06 = 372,401.44/x
  3. Step 3: Cross multiply
    601,770.29x = 830,528.06 × 372,401.44
  4. Step 4: Simplify right side
    601,770.29x = 309,289,841,566.08
  5. Step 5: Solve for x
    x = 309,289,841,566.08/601,770.29
  6. Step 6: Final answer
    x = 513,966.62

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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.