Home / 789,278.58-1,088,946.18-483,035.60

Finding the Fourth Proportional to 789,278.58, 1,088,946.18 and 483,035.60

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Solution

The fourth proportional to 789,278.58, 1,088,946.18 and 483,035.60 is: 666,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,278.58 : 1,088,946.18 = 483,035.60 : x
  2. Step 2: Convert to fraction form
    789,278.58/1,088,946.18 = 483,035.60/x
  3. Step 3: Cross multiply
    789,278.58x = 1,088,946.18 × 483,035.60
  4. Step 4: Simplify right side
    789,278.58x = 525,999,774,146.37
  5. Step 5: Solve for x
    x = 525,999,774,146.37/789,278.58
  6. Step 6: Final answer
    x = 666,431.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.