Home / 988,341.04-1,482,880.56-389,719.52

Finding the Fourth Proportional to 988,341.04, 1,482,880.56 and 389,719.52

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Solution

The fourth proportional to 988,341.04, 1,482,880.56 and 389,719.52 is: 584,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,341.04 : 1,482,880.56 = 389,719.52 : x
  2. Step 2: Convert to fraction form
    988,341.04/1,482,880.56 = 389,719.52/x
  3. Step 3: Cross multiply
    988,341.04x = 1,482,880.56 × 389,719.52
  4. Step 4: Simplify right side
    988,341.04x = 577,907,500,060.53
  5. Step 5: Solve for x
    x = 577,907,500,060.53/988,341.04
  6. Step 6: Final answer
    x = 584,724.78

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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.