Home / 875,599.94-1,313,329.93-389,432.76

Finding the Fourth Proportional to 875,599.94, 1,313,329.93 and 389,432.76

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Solution

The fourth proportional to 875,599.94, 1,313,329.93 and 389,432.76 is: 584,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,599.94 : 1,313,329.93 = 389,432.76 : x
  2. Step 2: Convert to fraction form
    875,599.94/1,313,329.93 = 389,432.76/x
  3. Step 3: Cross multiply
    875,599.94x = 1,313,329.93 × 389,432.76
  4. Step 4: Simplify right side
    875,599.94x = 511,453,698,456.93
  5. Step 5: Solve for x
    x = 511,453,698,456.93/875,599.94
  6. Step 6: Final answer
    x = 584,118.02

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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.