Home / 803,178.92-1,108,395.46-440,603.48

Finding the Fourth Proportional to 803,178.92, 1,108,395.46 and 440,603.48

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Solution

The fourth proportional to 803,178.92, 1,108,395.46 and 440,603.48 is: 608,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,178.92 : 1,108,395.46 = 440,603.48 : x
  2. Step 2: Convert to fraction form
    803,178.92/1,108,395.46 = 440,603.48/x
  3. Step 3: Cross multiply
    803,178.92x = 1,108,395.46 × 440,603.48
  4. Step 4: Simplify right side
    803,178.92x = 488,362,896,892.20
  5. Step 5: Solve for x
    x = 488,362,896,892.20/803,178.92
  6. Step 6: Final answer
    x = 608,037.49

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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.