Home / 875,432.12-1,208,098.46-488,272.62

Finding the Fourth Proportional to 875,432.12, 1,208,098.46 and 488,272.62

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Solution

The fourth proportional to 875,432.12, 1,208,098.46 and 488,272.62 is: 673,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,432.12 : 1,208,098.46 = 488,272.62 : x
  2. Step 2: Convert to fraction form
    875,432.12/1,208,098.46 = 488,272.62/x
  3. Step 3: Cross multiply
    875,432.12x = 1,208,098.46 × 488,272.62
  4. Step 4: Simplify right side
    875,432.12x = 589,881,401,502.85
  5. Step 5: Solve for x
    x = 589,881,401,502.85/875,432.12
  6. Step 6: Final answer
    x = 673,817.41

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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.