Home / 877,759.14-1,316,966.76-345,651.10

Finding the Fourth Proportional to 877,759.14, 1,316,966.76 and 345,651.10

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Solution

The fourth proportional to 877,759.14, 1,316,966.76 and 345,651.10 is: 518,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,759.14 : 1,316,966.76 = 345,651.10 : x
  2. Step 2: Convert to fraction form
    877,759.14/1,316,966.76 = 345,651.10/x
  3. Step 3: Cross multiply
    877,759.14x = 1,316,966.76 × 345,651.10
  4. Step 4: Simplify right side
    877,759.14x = 455,211,009,257.44
  5. Step 5: Solve for x
    x = 455,211,009,257.44/877,759.14
  6. Step 6: Final answer
    x = 518,605.83

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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.