Home / 648,334.67-893,631.02-433,396.31

Finding the Fourth Proportional to 648,334.67, 893,631.02 and 433,396.31

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Solution

The fourth proportional to 648,334.67, 893,631.02 and 433,396.31 is: 597,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,334.67 : 893,631.02 = 433,396.31 : x
  2. Step 2: Convert to fraction form
    648,334.67/893,631.02 = 433,396.31/x
  3. Step 3: Cross multiply
    648,334.67x = 893,631.02 × 433,396.31
  4. Step 4: Simplify right side
    648,334.67x = 387,296,379,934.40
  5. Step 5: Solve for x
    x = 387,296,379,934.40/648,334.67
  6. Step 6: Final answer
    x = 597,371.08

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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.