Home / 914,798.51-1,262,403.11-506,896.78

Finding the Fourth Proportional to 914,798.51, 1,262,403.11 and 506,896.78

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Solution

The fourth proportional to 914,798.51, 1,262,403.11 and 506,896.78 is: 699,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,798.51 : 1,262,403.11 = 506,896.78 : x
  2. Step 2: Convert to fraction form
    914,798.51/1,262,403.11 = 506,896.78/x
  3. Step 3: Cross multiply
    914,798.51x = 1,262,403.11 × 506,896.78
  4. Step 4: Simplify right side
    914,798.51x = 639,908,068,986.50
  5. Step 5: Solve for x
    x = 639,908,068,986.50/914,798.51
  6. Step 6: Final answer
    x = 699,507.12

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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.