Home / 877,257.64-1,210,619.37-474,849.64

Finding the Fourth Proportional to 877,257.64, 1,210,619.37 and 474,849.64

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Solution

The fourth proportional to 877,257.64, 1,210,619.37 and 474,849.64 is: 655,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,257.64 : 1,210,619.37 = 474,849.64 : x
  2. Step 2: Convert to fraction form
    877,257.64/1,210,619.37 = 474,849.64/x
  3. Step 3: Cross multiply
    877,257.64x = 1,210,619.37 × 474,849.64
  4. Step 4: Simplify right side
    877,257.64x = 574,862,172,021.53
  5. Step 5: Solve for x
    x = 574,862,172,021.53/877,257.64
  6. Step 6: Final answer
    x = 655,294.57

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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.