Home / 788,813.93-1,088,649.71-457,742.79

Finding the Fourth Proportional to 788,813.93, 1,088,649.71 and 457,742.79

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Solution

The fourth proportional to 788,813.93, 1,088,649.71 and 457,742.79 is: 631,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,813.93 : 1,088,649.71 = 457,742.79 : x
  2. Step 2: Convert to fraction form
    788,813.93/1,088,649.71 = 457,742.79/x
  3. Step 3: Cross multiply
    788,813.93x = 1,088,649.71 × 457,742.79
  4. Step 4: Simplify right side
    788,813.93x = 498,321,553,299.38
  5. Step 5: Solve for x
    x = 498,321,553,299.38/788,813.93
  6. Step 6: Final answer
    x = 631,735.24

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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.