Home / 886,013.34-1,329,729.42-459,671.36

Finding the Fourth Proportional to 886,013.34, 1,329,729.42 and 459,671.36

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Solution

The fourth proportional to 886,013.34, 1,329,729.42 and 459,671.36 is: 689,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,013.34 : 1,329,729.42 = 459,671.36 : x
  2. Step 2: Convert to fraction form
    886,013.34/1,329,729.42 = 459,671.36/x
  3. Step 3: Cross multiply
    886,013.34x = 1,329,729.42 × 459,671.36
  4. Step 4: Simplify right side
    886,013.34x = 611,238,521,976.41
  5. Step 5: Solve for x
    x = 611,238,521,976.41/886,013.34
  6. Step 6: Final answer
    x = 689,875.08

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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.