Home / 914,904.83-1,262,571.64-507,013.40

Finding the Fourth Proportional to 914,904.83, 1,262,571.64 and 507,013.40

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Solution

The fourth proportional to 914,904.83, 1,262,571.64 and 507,013.40 is: 699,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,904.83 : 1,262,571.64 = 507,013.40 : x
  2. Step 2: Convert to fraction form
    914,904.83/1,262,571.64 = 507,013.40/x
  3. Step 3: Cross multiply
    914,904.83x = 1,262,571.64 × 507,013.40
  4. Step 4: Simplify right side
    914,904.83x = 640,140,741,828.87
  5. Step 5: Solve for x
    x = 640,140,741,828.87/914,904.83
  6. Step 6: Final answer
    x = 699,680.14

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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.