Home / 877,716.12-1,316,574.06-308,963.28

Finding the Fourth Proportional to 877,716.12, 1,316,574.06 and 308,963.28

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Solution

The fourth proportional to 877,716.12, 1,316,574.06 and 308,963.28 is: 463,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,716.12 : 1,316,574.06 = 308,963.28 : x
  2. Step 2: Convert to fraction form
    877,716.12/1,316,574.06 = 308,963.28/x
  3. Step 3: Cross multiply
    877,716.12x = 1,316,574.06 × 308,963.28
  4. Step 4: Simplify right side
    877,716.12x = 406,773,039,940.52
  5. Step 5: Solve for x
    x = 406,773,039,940.52/877,716.12
  6. Step 6: Final answer
    x = 463,444.88

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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.