Home / 875,285.32-1,312,403.10-401,377

Finding the Fourth Proportional to 875,285.32, 1,312,403.10 and 401,377

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Solution

The fourth proportional to 875,285.32, 1,312,403.10 and 401,377 is: 601,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,285.32 : 1,312,403.10 = 401,377 : x
  2. Step 2: Convert to fraction form
    875,285.32/1,312,403.10 = 401,377/x
  3. Step 3: Cross multiply
    875,285.32x = 1,312,403.10 × 401,377
  4. Step 4: Simplify right side
    875,285.32x = 526,768,419,068.70
  5. Step 5: Solve for x
    x = 526,768,419,068.70/875,285.32
  6. Step 6: Final answer
    x = 601,824.81

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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.