Home / 917,732.53-1,376,625.88-438,010.84

Finding the Fourth Proportional to 917,732.53, 1,376,625.88 and 438,010.84

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Solution

The fourth proportional to 917,732.53, 1,376,625.88 and 438,010.84 is: 657,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,732.53 : 1,376,625.88 = 438,010.84 : x
  2. Step 2: Convert to fraction form
    917,732.53/1,376,625.88 = 438,010.84/x
  3. Step 3: Cross multiply
    917,732.53x = 1,376,625.88 × 438,010.84
  4. Step 4: Simplify right side
    917,732.53x = 602,977,060,332.84
  5. Step 5: Solve for x
    x = 602,977,060,332.84/917,732.53
  6. Step 6: Final answer
    x = 657,029.19

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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.