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Finding the Fourth Proportional to 453,664, 626,056.32 and 252,460.16

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Solution

The fourth proportional to 453,664, 626,056.32 and 252,460.16 is: 348,395.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,664 : 626,056.32 = 252,460.16 : x
  2. Step 2: Convert to fraction form
    453,664/626,056.32 = 252,460.16/x
  3. Step 3: Cross multiply
    453,664x = 626,056.32 × 252,460.16
  4. Step 4: Simplify right side
    453,664x = 158,054,278,716.21
  5. Step 5: Solve for x
    x = 158,054,278,716.21/453,664
  6. Step 6: Final answer
    x = 348,395.02

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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.