Home / 902,200.21-1,244,878.02-514,838.77

Finding the Fourth Proportional to 902,200.21, 1,244,878.02 and 514,838.77

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Solution

The fourth proportional to 902,200.21, 1,244,878.02 and 514,838.77 is: 710,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,200.21 : 1,244,878.02 = 514,838.77 : x
  2. Step 2: Convert to fraction form
    902,200.21/1,244,878.02 = 514,838.77/x
  3. Step 3: Cross multiply
    902,200.21x = 1,244,878.02 × 514,838.77
  4. Step 4: Simplify right side
    902,200.21x = 640,911,465,504.64
  5. Step 5: Solve for x
    x = 640,911,465,504.64/902,200.21
  6. Step 6: Final answer
    x = 710,387.18

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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.