Home / 913,955.45-1,261,213.67-506,045.93

Finding the Fourth Proportional to 913,955.45, 1,261,213.67 and 506,045.93

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Solution

The fourth proportional to 913,955.45, 1,261,213.67 and 506,045.93 is: 698,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,955.45 : 1,261,213.67 = 506,045.93 : x
  2. Step 2: Convert to fraction form
    913,955.45/1,261,213.67 = 506,045.93/x
  3. Step 3: Cross multiply
    913,955.45x = 1,261,213.67 × 506,045.93
  4. Step 4: Simplify right side
    913,955.45x = 638,232,039,522.91
  5. Step 5: Solve for x
    x = 638,232,039,522.91/913,955.45
  6. Step 6: Final answer
    x = 698,318.55

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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.