Home / 866,776.84-1,299,312.30-506,490.44

Finding the Fourth Proportional to 866,776.84, 1,299,312.30 and 506,490.44

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Solution

The fourth proportional to 866,776.84, 1,299,312.30 and 506,490.44 is: 759,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,776.84 : 1,299,312.30 = 506,490.44 : x
  2. Step 2: Convert to fraction form
    866,776.84/1,299,312.30 = 506,490.44/x
  3. Step 3: Cross multiply
    866,776.84x = 1,299,312.30 × 506,490.44
  4. Step 4: Simplify right side
    866,776.84x = 658,089,258,524.41
  5. Step 5: Solve for x
    x = 658,089,258,524.41/866,776.84
  6. Step 6: Final answer
    x = 759,237.24

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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.