Home / 917,292.48-1,265,807.16-509,369.46

Finding the Fourth Proportional to 917,292.48, 1,265,807.16 and 509,369.46

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Solution

The fourth proportional to 917,292.48, 1,265,807.16 and 509,369.46 is: 702,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,292.48 : 1,265,807.16 = 509,369.46 : x
  2. Step 2: Convert to fraction form
    917,292.48/1,265,807.16 = 509,369.46/x
  3. Step 3: Cross multiply
    917,292.48x = 1,265,807.16 × 509,369.46
  4. Step 4: Simplify right side
    917,292.48x = 644,763,509,553.33
  5. Step 5: Solve for x
    x = 644,763,509,553.33/917,292.48
  6. Step 6: Final answer
    x = 702,898.50

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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.