Home / 789,175.18-1,184,605.17-340,117.66

Finding the Fourth Proportional to 789,175.18, 1,184,605.17 and 340,117.66

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Solution

The fourth proportional to 789,175.18, 1,184,605.17 and 340,117.66 is: 510,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,175.18 : 1,184,605.17 = 340,117.66 : x
  2. Step 2: Convert to fraction form
    789,175.18/1,184,605.17 = 340,117.66/x
  3. Step 3: Cross multiply
    789,175.18x = 1,184,605.17 × 340,117.66
  4. Step 4: Simplify right side
    789,175.18x = 402,905,138,444.30
  5. Step 5: Solve for x
    x = 402,905,138,444.30/789,175.18
  6. Step 6: Final answer
    x = 510,539.55

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Double scale
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1.5x scale

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.