Home / 890,732.34-1,229,288.40-488,402.10

Finding the Fourth Proportional to 890,732.34, 1,229,288.40 and 488,402.10

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Solution

The fourth proportional to 890,732.34, 1,229,288.40 and 488,402.10 is: 674,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,732.34 : 1,229,288.40 = 488,402.10 : x
  2. Step 2: Convert to fraction form
    890,732.34/1,229,288.40 = 488,402.10/x
  3. Step 3: Cross multiply
    890,732.34x = 1,229,288.40 × 488,402.10
  4. Step 4: Simplify right side
    890,732.34x = 600,387,036,065.64
  5. Step 5: Solve for x
    x = 600,387,036,065.64/890,732.34
  6. Step 6: Final answer
    x = 674,037.54

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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.