Home / 779,701.20-1,076,247.14-457,293.64

Finding the Fourth Proportional to 779,701.20, 1,076,247.14 and 457,293.64

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Solution

The fourth proportional to 779,701.20, 1,076,247.14 and 457,293.64 is: 631,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,701.20 : 1,076,247.14 = 457,293.64 : x
  2. Step 2: Convert to fraction form
    779,701.20/1,076,247.14 = 457,293.64/x
  3. Step 3: Cross multiply
    779,701.20x = 1,076,247.14 × 457,293.64
  4. Step 4: Simplify right side
    779,701.20x = 492,160,972,190.19
  5. Step 5: Solve for x
    x = 492,160,972,190.19/779,701.20
  6. Step 6: Final answer
    x = 631,217.41

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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.