Home / 779,490.27-1,076,729.34-627,102.42

Finding the Fourth Proportional to 779,490.27, 1,076,729.34 and 627,102.42

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Solution

The fourth proportional to 779,490.27, 1,076,729.34 and 627,102.42 is: 866,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,490.27 : 1,076,729.34 = 627,102.42 : x
  2. Step 2: Convert to fraction form
    779,490.27/1,076,729.34 = 627,102.42/x
  3. Step 3: Cross multiply
    779,490.27x = 1,076,729.34 × 627,102.42
  4. Step 4: Simplify right side
    779,490.27x = 675,219,574,799.00
  5. Step 5: Solve for x
    x = 675,219,574,799.00/779,490.27
  6. Step 6: Final answer
    x = 866,232.20

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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.