Home / 914,047.62-1,261,370.22-506,140.74

Finding the Fourth Proportional to 914,047.62, 1,261,370.22 and 506,140.74

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Solution

The fourth proportional to 914,047.62, 1,261,370.22 and 506,140.74 is: 698,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,047.62 : 1,261,370.22 = 506,140.74 : x
  2. Step 2: Convert to fraction form
    914,047.62/1,261,370.22 = 506,140.74/x
  3. Step 3: Cross multiply
    914,047.62x = 1,261,370.22 × 506,140.74
  4. Step 4: Simplify right side
    914,047.62x = 638,430,856,564.76
  5. Step 5: Solve for x
    x = 638,430,856,564.76/914,047.62
  6. Step 6: Final answer
    x = 698,465.64

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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.