Home / 803,459.20-1,205,966.40-488,531.20

Finding the Fourth Proportional to 803,459.20, 1,205,966.40 and 488,531.20

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Solution

The fourth proportional to 803,459.20, 1,205,966.40 and 488,531.20 is: 733,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,459.20 : 1,205,966.40 = 488,531.20 : x
  2. Step 2: Convert to fraction form
    803,459.20/1,205,966.40 = 488,531.20/x
  3. Step 3: Cross multiply
    803,459.20x = 1,205,966.40 × 488,531.20
  4. Step 4: Simplify right side
    803,459.20x = 589,152,212,551.68
  5. Step 5: Solve for x
    x = 589,152,212,551.68/803,459.20
  6. Step 6: Final answer
    x = 733,269.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.