Home / 615,490.63-849,518.78-360,923.83

Finding the Fourth Proportional to 615,490.63, 849,518.78 and 360,923.83

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Solution

The fourth proportional to 615,490.63, 849,518.78 and 360,923.83 is: 498,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,490.63 : 849,518.78 = 360,923.83 : x
  2. Step 2: Convert to fraction form
    615,490.63/849,518.78 = 360,923.83/x
  3. Step 3: Cross multiply
    615,490.63x = 849,518.78 × 360,923.83
  4. Step 4: Simplify right side
    615,490.63x = 306,611,571,734.53
  5. Step 5: Solve for x
    x = 306,611,571,734.53/615,490.63
  6. Step 6: Final answer
    x = 498,157.98

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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.