Home / 827,341.20-1,239,699.60-546,530.40

Finding the Fourth Proportional to 827,341.20, 1,239,699.60 and 546,530.40

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Solution

The fourth proportional to 827,341.20, 1,239,699.60 and 546,530.40 is: 818,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,341.20 : 1,239,699.60 = 546,530.40 : x
  2. Step 2: Convert to fraction form
    827,341.20/1,239,699.60 = 546,530.40/x
  3. Step 3: Cross multiply
    827,341.20x = 1,239,699.60 × 546,530.40
  4. Step 4: Simplify right side
    827,341.20x = 677,533,518,267.84
  5. Step 5: Solve for x
    x = 677,533,518,267.84/827,341.20
  6. Step 6: Final answer
    x = 818,928.78

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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.