Home / 913,956.45-1,261,215.05-506,046.93

Finding the Fourth Proportional to 913,956.45, 1,261,215.05 and 506,046.93

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Solution

The fourth proportional to 913,956.45, 1,261,215.05 and 506,046.93 is: 698,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,956.45 : 1,261,215.05 = 506,046.93 : x
  2. Step 2: Convert to fraction form
    913,956.45/1,261,215.05 = 506,046.93/x
  3. Step 3: Cross multiply
    913,956.45x = 1,261,215.05 × 506,046.93
  4. Step 4: Simplify right side
    913,956.45x = 638,233,997,816.22
  5. Step 5: Solve for x
    x = 638,233,997,816.22/913,956.45
  6. Step 6: Final answer
    x = 698,319.93

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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.