Home / 949,929-1,310,886.10-514,342.60

Finding the Fourth Proportional to 949,929, 1,310,886.10 and 514,342.60

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Solution

The fourth proportional to 949,929, 1,310,886.10 and 514,342.60 is: 709,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,929 : 1,310,886.10 = 514,342.60 : x
  2. Step 2: Convert to fraction form
    949,929/1,310,886.10 = 514,342.60/x
  3. Step 3: Cross multiply
    949,929x = 1,310,886.10 × 514,342.60
  4. Step 4: Simplify right side
    949,929x = 674,244,564,977.86
  5. Step 5: Solve for x
    x = 674,244,564,977.86/949,929
  6. Step 6: Final answer
    x = 709,784.17

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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.