Home / 779,838.80-1,168,883.40-443,040.80

Finding the Fourth Proportional to 779,838.80, 1,168,883.40 and 443,040.80

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Solution

The fourth proportional to 779,838.80, 1,168,883.40 and 443,040.80 is: 664,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,838.80 : 1,168,883.40 = 443,040.80 : x
  2. Step 2: Convert to fraction form
    779,838.80/1,168,883.40 = 443,040.80/x
  3. Step 3: Cross multiply
    779,838.80x = 1,168,883.40 × 443,040.80
  4. Step 4: Simplify right side
    779,838.80x = 517,863,036,642.72
  5. Step 5: Solve for x
    x = 517,863,036,642.72/779,838.80
  6. Step 6: Final answer
    x = 664,064.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.