Home / 674,921.88-1,012,382.46-618,603.66

Finding the Fourth Proportional to 674,921.88, 1,012,382.46 and 618,603.66

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Solution

The fourth proportional to 674,921.88, 1,012,382.46 and 618,603.66 is: 927,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,921.88 : 1,012,382.46 = 618,603.66 : x
  2. Step 2: Convert to fraction form
    674,921.88/1,012,382.46 = 618,603.66/x
  3. Step 3: Cross multiply
    674,921.88x = 1,012,382.46 × 618,603.66
  4. Step 4: Simplify right side
    674,921.88x = 626,263,495,075.80
  5. Step 5: Solve for x
    x = 626,263,495,075.80/674,921.88
  6. Step 6: Final answer
    x = 927,905.16

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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.