Home / 989,971.93-1,366,161.96-537,262.93

Finding the Fourth Proportional to 989,971.93, 1,366,161.96 and 537,262.93

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Solution

The fourth proportional to 989,971.93, 1,366,161.96 and 537,262.93 is: 741,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,971.93 : 1,366,161.96 = 537,262.93 : x
  2. Step 2: Convert to fraction form
    989,971.93/1,366,161.96 = 537,262.93/x
  3. Step 3: Cross multiply
    989,971.93x = 1,366,161.96 × 537,262.93
  4. Step 4: Simplify right side
    989,971.93x = 733,988,177,484.14
  5. Step 5: Solve for x
    x = 733,988,177,484.14/989,971.93
  6. Step 6: Final answer
    x = 741,423.22

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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.