Home / 917,029-1,265,616.66-514,621

Finding the Fourth Proportional to 917,029, 1,265,616.66 and 514,621

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Solution

The fourth proportional to 917,029, 1,265,616.66 and 514,621 is: 710,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,029 : 1,265,616.66 = 514,621 : x
  2. Step 2: Convert to fraction form
    917,029/1,265,616.66 = 514,621/x
  3. Step 3: Cross multiply
    917,029x = 1,265,616.66 × 514,621
  4. Step 4: Simplify right side
    917,029x = 651,312,911,185.86
  5. Step 5: Solve for x
    x = 651,312,911,185.86/917,029
  6. Step 6: Final answer
    x = 710,242.44

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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.