Home / 914,441.51-1,261,913.47-506,534.80

Finding the Fourth Proportional to 914,441.51, 1,261,913.47 and 506,534.80

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Solution

The fourth proportional to 914,441.51, 1,261,913.47 and 506,534.80 is: 699,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,441.51 : 1,261,913.47 = 506,534.80 : x
  2. Step 2: Convert to fraction form
    914,441.51/1,261,913.47 = 506,534.80/x
  3. Step 3: Cross multiply
    914,441.51x = 1,261,913.47 × 506,534.80
  4. Step 4: Simplify right side
    914,441.51x = 639,203,080,834.19
  5. Step 5: Solve for x
    x = 639,203,080,834.19/914,441.51
  6. Step 6: Final answer
    x = 699,009.26

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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.