Home / 804,576.48-1,110,834.96-498,977.76

Finding the Fourth Proportional to 804,576.48, 1,110,834.96 and 498,977.76

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Solution

The fourth proportional to 804,576.48, 1,110,834.96 and 498,977.76 is: 688,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,576.48 : 1,110,834.96 = 498,977.76 : x
  2. Step 2: Convert to fraction form
    804,576.48/1,110,834.96 = 498,977.76/x
  3. Step 3: Cross multiply
    804,576.48x = 1,110,834.96 × 498,977.76
  4. Step 4: Simplify right side
    804,576.48x = 554,281,940,070.49
  5. Step 5: Solve for x
    x = 554,281,940,070.49/804,576.48
  6. Step 6: Final answer
    x = 688,911.44

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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.