Home / 914,887.71-1,262,595.60-506,981.03

Finding the Fourth Proportional to 914,887.71, 1,262,595.60 and 506,981.03

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Solution

The fourth proportional to 914,887.71, 1,262,595.60 and 506,981.03 is: 699,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,887.71 : 1,262,595.60 = 506,981.03 : x
  2. Step 2: Convert to fraction form
    914,887.71/1,262,595.60 = 506,981.03/x
  3. Step 3: Cross multiply
    914,887.71x = 1,262,595.60 × 506,981.03
  4. Step 4: Simplify right side
    914,887.71x = 640,112,011,448.49
  5. Step 5: Solve for x
    x = 640,112,011,448.49/914,887.71
  6. Step 6: Final answer
    x = 699,661.83

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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.