Home / 949,920.89-1,310,880.99-514,330.77

Finding the Fourth Proportional to 949,920.89, 1,310,880.99 and 514,330.77

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Solution

The fourth proportional to 949,920.89, 1,310,880.99 and 514,330.77 is: 709,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,920.89 : 1,310,880.99 = 514,330.77 : x
  2. Step 2: Convert to fraction form
    949,920.89/1,310,880.99 = 514,330.77/x
  3. Step 3: Cross multiply
    949,920.89x = 1,310,880.99 × 514,330.77
  4. Step 4: Simplify right side
    949,920.89x = 674,226,428,965.06
  5. Step 5: Solve for x
    x = 674,226,428,965.06/949,920.89
  6. Step 6: Final answer
    x = 709,771.14

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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.