Home / 776,472.30-1,165,364.55-303,497.10

Finding the Fourth Proportional to 776,472.30, 1,165,364.55 and 303,497.10

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Solution

The fourth proportional to 776,472.30, 1,165,364.55 and 303,497.10 is: 455,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,472.30 : 1,165,364.55 = 303,497.10 : x
  2. Step 2: Convert to fraction form
    776,472.30/1,165,364.55 = 303,497.10/x
  3. Step 3: Cross multiply
    776,472.30x = 1,165,364.55 × 303,497.10
  4. Step 4: Simplify right side
    776,472.30x = 353,684,761,367.81
  5. Step 5: Solve for x
    x = 353,684,761,367.81/776,472.30
  6. Step 6: Final answer
    x = 455,502.10

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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.