Home / 779,945.92-1,076,226.47-457,538.38

Finding the Fourth Proportional to 779,945.92, 1,076,226.47 and 457,538.38

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Solution

The fourth proportional to 779,945.92, 1,076,226.47 and 457,538.38 is: 631,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,945.92 : 1,076,226.47 = 457,538.38 : x
  2. Step 2: Convert to fraction form
    779,945.92/1,076,226.47 = 457,538.38/x
  3. Step 3: Cross multiply
    779,945.92x = 1,076,226.47 × 457,538.38
  4. Step 4: Simplify right side
    779,945.92x = 492,414,921,188.47
  5. Step 5: Solve for x
    x = 492,414,921,188.47/779,945.92
  6. Step 6: Final answer
    x = 631,344.95

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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.