Home / 615,488.32-849,515.60-360,921.52

Finding the Fourth Proportional to 615,488.32, 849,515.60 and 360,921.52

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Solution

The fourth proportional to 615,488.32, 849,515.60 and 360,921.52 is: 498,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,488.32 : 849,515.60 = 360,921.52 : x
  2. Step 2: Convert to fraction form
    615,488.32/849,515.60 = 360,921.52/x
  3. Step 3: Cross multiply
    615,488.32x = 849,515.60 × 360,921.52
  4. Step 4: Simplify right side
    615,488.32x = 306,608,455,563.53
  5. Step 5: Solve for x
    x = 306,608,455,563.53/615,488.32
  6. Step 6: Final answer
    x = 498,154.80

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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.