Home / 989,264.39-1,482,857.75-629,710.65

Finding the Fourth Proportional to 989,264.39, 1,482,857.75 and 629,710.65

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Solution

The fourth proportional to 989,264.39, 1,482,857.75 and 629,710.65 is: 943,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,264.39 : 1,482,857.75 = 629,710.65 : x
  2. Step 2: Convert to fraction form
    989,264.39/1,482,857.75 = 629,710.65/x
  3. Step 3: Cross multiply
    989,264.39x = 1,482,857.75 × 629,710.65
  4. Step 4: Simplify right side
    989,264.39x = 933,771,314,461.48
  5. Step 5: Solve for x
    x = 933,771,314,461.48/989,264.39
  6. Step 6: Final answer
    x = 943,904.71

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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.