Home / 914,045.57-1,261,367.37-506,138.64

Finding the Fourth Proportional to 914,045.57, 1,261,367.37 and 506,138.64

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Solution

The fourth proportional to 914,045.57, 1,261,367.37 and 506,138.64 is: 698,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,045.57 : 1,261,367.37 = 506,138.64 : x
  2. Step 2: Convert to fraction form
    914,045.57/1,261,367.37 = 506,138.64/x
  3. Step 3: Cross multiply
    914,045.57x = 1,261,367.37 × 506,138.64
  4. Step 4: Simplify right side
    914,045.57x = 638,426,765,192.18
  5. Step 5: Solve for x
    x = 638,426,765,192.18/914,045.57
  6. Step 6: Final answer
    x = 698,462.73

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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.