Home / 875,203.90-1,310,181.45-520,035.10

Finding the Fourth Proportional to 875,203.90, 1,310,181.45 and 520,035.10

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Solution

The fourth proportional to 875,203.90, 1,310,181.45 and 520,035.10 is: 778,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,203.90 : 1,310,181.45 = 520,035.10 : x
  2. Step 2: Convert to fraction form
    875,203.90/1,310,181.45 = 520,035.10/x
  3. Step 3: Cross multiply
    875,203.90x = 1,310,181.45 × 520,035.10
  4. Step 4: Simplify right side
    875,203.90x = 681,340,341,368.90
  5. Step 5: Solve for x
    x = 681,340,341,368.90/875,203.90
  6. Step 6: Final answer
    x = 778,493.26

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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.