Home / 875,830.70-1,313,746.05-314,921.90

Finding the Fourth Proportional to 875,830.70, 1,313,746.05 and 314,921.90

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Solution

The fourth proportional to 875,830.70, 1,313,746.05 and 314,921.90 is: 472,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,830.70 : 1,313,746.05 = 314,921.90 : x
  2. Step 2: Convert to fraction form
    875,830.70/1,313,746.05 = 314,921.90/x
  3. Step 3: Cross multiply
    875,830.70x = 1,313,746.05 × 314,921.90
  4. Step 4: Simplify right side
    875,830.70x = 413,727,402,183.50
  5. Step 5: Solve for x
    x = 413,727,402,183.50/875,830.70
  6. Step 6: Final answer
    x = 472,382.85

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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.