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Finding the Fourth Proportional to 631,465.84, 942,592.25 and 551,748.88

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Solution

The fourth proportional to 631,465.84, 942,592.25 and 551,748.88 is: 823,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,465.84 : 942,592.25 = 551,748.88 : x
  2. Step 2: Convert to fraction form
    631,465.84/942,592.25 = 551,748.88/x
  3. Step 3: Cross multiply
    631,465.84x = 942,592.25 × 551,748.88
  4. Step 4: Simplify right side
    631,465.84x = 520,074,218,234.18
  5. Step 5: Solve for x
    x = 520,074,218,234.18/631,465.84
  6. Step 6: Final answer
    x = 823,598.34

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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.