Home / 876,756.69-1,315,209.51-308,088.63

Finding the Fourth Proportional to 876,756.69, 1,315,209.51 and 308,088.63

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Solution

The fourth proportional to 876,756.69, 1,315,209.51 and 308,088.63 is: 462,159.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,756.69 : 1,315,209.51 = 308,088.63 : x
  2. Step 2: Convert to fraction form
    876,756.69/1,315,209.51 = 308,088.63/x
  3. Step 3: Cross multiply
    876,756.69x = 1,315,209.51 × 308,088.63
  4. Step 4: Simplify right side
    876,756.69x = 405,201,096,098.87
  5. Step 5: Solve for x
    x = 405,201,096,098.87/876,756.69
  6. Step 6: Final answer
    x = 462,159.12

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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.