Home / 779,755.40-1,076,011.83-453,039.47

Finding the Fourth Proportional to 779,755.40, 1,076,011.83 and 453,039.47

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Solution

The fourth proportional to 779,755.40, 1,076,011.83 and 453,039.47 is: 625,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,755.40 : 1,076,011.83 = 453,039.47 : x
  2. Step 2: Convert to fraction form
    779,755.40/1,076,011.83 = 453,039.47/x
  3. Step 3: Cross multiply
    779,755.40x = 1,076,011.83 × 453,039.47
  4. Step 4: Simplify right side
    779,755.40x = 487,475,823,796.87
  5. Step 5: Solve for x
    x = 487,475,823,796.87/779,755.40
  6. Step 6: Final answer
    x = 625,165.05

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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.