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Finding the Fourth Proportional to 630,343.84, 940,599.45 and 562,408.89

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Solution

The fourth proportional to 630,343.84, 940,599.45 and 562,408.89 is: 839,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,343.84 : 940,599.45 = 562,408.89 : x
  2. Step 2: Convert to fraction form
    630,343.84/940,599.45 = 562,408.89/x
  3. Step 3: Cross multiply
    630,343.84x = 940,599.45 × 562,408.89
  4. Step 4: Simplify right side
    630,343.84x = 529,001,492,609.11
  5. Step 5: Solve for x
    x = 529,001,492,609.11/630,343.84
  6. Step 6: Final answer
    x = 839,226.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.