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Finding the Fourth Proportional to 637,423.07, 880,433.74 and 462,714.43

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Solution

The fourth proportional to 637,423.07, 880,433.74 and 462,714.43 is: 639,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,423.07 : 880,433.74 = 462,714.43 : x
  2. Step 2: Convert to fraction form
    637,423.07/880,433.74 = 462,714.43/x
  3. Step 3: Cross multiply
    637,423.07x = 880,433.74 × 462,714.43
  4. Step 4: Simplify right side
    637,423.07x = 407,389,396,156.87
  5. Step 5: Solve for x
    x = 407,389,396,156.87/637,423.07
  6. Step 6: Final answer
    x = 639,119.32

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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.