Home / 913,925.91-1,261,264.31-506,072.82

Finding the Fourth Proportional to 913,925.91, 1,261,264.31 and 506,072.82

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Solution

The fourth proportional to 913,925.91, 1,261,264.31 and 506,072.82 is: 698,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,925.91 : 1,261,264.31 = 506,072.82 : x
  2. Step 2: Convert to fraction form
    913,925.91/1,261,264.31 = 506,072.82/x
  3. Step 3: Cross multiply
    913,925.91x = 1,261,264.31 × 506,072.82
  4. Step 4: Simplify right side
    913,925.91x = 638,291,586,127.05
  5. Step 5: Solve for x
    x = 638,291,586,127.05/913,925.91
  6. Step 6: Final answer
    x = 698,406.27

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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.