Home / 694,506.83-1,046,965.71-648,213.36

Finding the Fourth Proportional to 694,506.83, 1,046,965.71 and 648,213.36

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Solution

The fourth proportional to 694,506.83, 1,046,965.71 and 648,213.36 is: 977,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,506.83 : 1,046,965.71 = 648,213.36 : x
  2. Step 2: Convert to fraction form
    694,506.83/1,046,965.71 = 648,213.36/x
  3. Step 3: Cross multiply
    694,506.83x = 1,046,965.71 × 648,213.36
  4. Step 4: Simplify right side
    694,506.83x = 678,657,160,683.89
  5. Step 5: Solve for x
    x = 678,657,160,683.89/694,506.83
  6. Step 6: Final answer
    x = 977,178.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.