Home / 779,913.80-1,076,300.58-440,384.44

Finding the Fourth Proportional to 779,913.80, 1,076,300.58 and 440,384.44

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Solution

The fourth proportional to 779,913.80, 1,076,300.58 and 440,384.44 is: 607,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,913.80 : 1,076,300.58 = 440,384.44 : x
  2. Step 2: Convert to fraction form
    779,913.80/1,076,300.58 = 440,384.44/x
  3. Step 3: Cross multiply
    779,913.80x = 1,076,300.58 × 440,384.44
  4. Step 4: Simplify right side
    779,913.80x = 473,986,028,194.98
  5. Step 5: Solve for x
    x = 473,986,028,194.98/779,913.80
  6. Step 6: Final answer
    x = 607,741.56

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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.