Home / 779,937.34-1,076,335.60-440,456.62

Finding the Fourth Proportional to 779,937.34, 1,076,335.60 and 440,456.62

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Solution

The fourth proportional to 779,937.34, 1,076,335.60 and 440,456.62 is: 607,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,937.34 : 1,076,335.60 = 440,456.62 : x
  2. Step 2: Convert to fraction form
    779,937.34/1,076,335.60 = 440,456.62/x
  3. Step 3: Cross multiply
    779,937.34x = 1,076,335.60 × 440,456.62
  4. Step 4: Simplify right side
    779,937.34x = 474,079,140,361.67
  5. Step 5: Solve for x
    x = 474,079,140,361.67/779,937.34
  6. Step 6: Final answer
    x = 607,842.60

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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.