Home / 689,883.90-1,036,006.65-374,955.90

Finding the Fourth Proportional to 689,883.90, 1,036,006.65 and 374,955.90

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Solution

The fourth proportional to 689,883.90, 1,036,006.65 and 374,955.90 is: 563,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,883.90 : 1,036,006.65 = 374,955.90 : x
  2. Step 2: Convert to fraction form
    689,883.90/1,036,006.65 = 374,955.90/x
  3. Step 3: Cross multiply
    689,883.90x = 1,036,006.65 × 374,955.90
  4. Step 4: Simplify right side
    689,883.90x = 388,456,805,856.74
  5. Step 5: Solve for x
    x = 388,456,805,856.74/689,883.90
  6. Step 6: Final answer
    x = 563,075.62

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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.