Home / 931,355.16-1,284,981.13-543,891.07

Finding the Fourth Proportional to 931,355.16, 1,284,981.13 and 543,891.07

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Solution

The fourth proportional to 931,355.16, 1,284,981.13 and 543,891.07 is: 750,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,355.16 : 1,284,981.13 = 543,891.07 : x
  2. Step 2: Convert to fraction form
    931,355.16/1,284,981.13 = 543,891.07/x
  3. Step 3: Cross multiply
    931,355.16x = 1,284,981.13 × 543,891.07
  4. Step 4: Simplify right side
    931,355.16x = 698,889,761,725.51
  5. Step 5: Solve for x
    x = 698,889,761,725.51/931,355.16
  6. Step 6: Final answer
    x = 750,400.91

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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.