Home / 779,900.76-1,076,122.26-453,228.48

Finding the Fourth Proportional to 779,900.76, 1,076,122.26 and 453,228.48

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Solution

The fourth proportional to 779,900.76, 1,076,122.26 and 453,228.48 is: 625,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,900.76 : 1,076,122.26 = 453,228.48 : x
  2. Step 2: Convert to fraction form
    779,900.76/1,076,122.26 = 453,228.48/x
  3. Step 3: Cross multiply
    779,900.76x = 1,076,122.26 × 453,228.48
  4. Step 4: Simplify right side
    779,900.76x = 487,729,256,193.97
  5. Step 5: Solve for x
    x = 487,729,256,193.97/779,900.76
  6. Step 6: Final answer
    x = 625,373.48

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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.