Home / 896,646.41-1,237,353.58-488,744.72

Finding the Fourth Proportional to 896,646.41, 1,237,353.58 and 488,744.72

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Solution

The fourth proportional to 896,646.41, 1,237,353.58 and 488,744.72 is: 674,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,646.41 : 1,237,353.58 = 488,744.72 : x
  2. Step 2: Convert to fraction form
    896,646.41/1,237,353.58 = 488,744.72/x
  3. Step 3: Cross multiply
    896,646.41x = 1,237,353.58 × 488,744.72
  4. Step 4: Simplify right side
    896,646.41x = 604,750,028,998.10
  5. Step 5: Solve for x
    x = 604,750,028,998.10/896,646.41
  6. Step 6: Final answer
    x = 674,457.65

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Double scale
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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.