Home / 348,385.20-522,966.60-325,543.20

Finding the Fourth Proportional to 348,385.20, 522,966.60 and 325,543.20

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Solution

The fourth proportional to 348,385.20, 522,966.60 and 325,543.20 is: 488,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,385.20 : 522,966.60 = 325,543.20 : x
  2. Step 2: Convert to fraction form
    348,385.20/522,966.60 = 325,543.20/x
  3. Step 3: Cross multiply
    348,385.20x = 522,966.60 × 325,543.20
  4. Step 4: Simplify right side
    348,385.20x = 170,248,220,457.12
  5. Step 5: Solve for x
    x = 170,248,220,457.12/348,385.20
  6. Step 6: Final answer
    x = 488,678.11

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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.