Home / 779,937.46-1,076,335.77-440,456.74

Finding the Fourth Proportional to 779,937.46, 1,076,335.77 and 440,456.74

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Solution

The fourth proportional to 779,937.46, 1,076,335.77 and 440,456.74 is: 607,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,937.46 : 1,076,335.77 = 440,456.74 : x
  2. Step 2: Convert to fraction form
    779,937.46/1,076,335.77 = 440,456.74/x
  3. Step 3: Cross multiply
    779,937.46x = 1,076,335.77 × 440,456.74
  4. Step 4: Simplify right side
    779,937.46x = 474,079,344,399.59
  5. Step 5: Solve for x
    x = 474,079,344,399.59/779,937.46
  6. Step 6: Final answer
    x = 607,842.77

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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.