Home / 875,106.90-1,309,744.35-634,536.90

Finding the Fourth Proportional to 875,106.90, 1,309,744.35 and 634,536.90

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Solution

The fourth proportional to 875,106.90, 1,309,744.35 and 634,536.90 is: 949,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,106.90 : 1,309,744.35 = 634,536.90 : x
  2. Step 2: Convert to fraction form
    875,106.90/1,309,744.35 = 634,536.90/x
  3. Step 3: Cross multiply
    875,106.90x = 1,309,744.35 × 634,536.90
  4. Step 4: Simplify right side
    875,106.90x = 831,081,119,641.52
  5. Step 5: Solve for x
    x = 831,081,119,641.52/875,106.90
  6. Step 6: Final answer
    x = 949,690.97

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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.