Home / 791,244.51-1,091,916.09-428,677.59

Finding the Fourth Proportional to 791,244.51, 1,091,916.09 and 428,677.59

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Solution

The fourth proportional to 791,244.51, 1,091,916.09 and 428,677.59 is: 591,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,244.51 : 1,091,916.09 = 428,677.59 : x
  2. Step 2: Convert to fraction form
    791,244.51/1,091,916.09 = 428,677.59/x
  3. Step 3: Cross multiply
    791,244.51x = 1,091,916.09 × 428,677.59
  4. Step 4: Simplify right side
    791,244.51x = 468,079,957,943.42
  5. Step 5: Solve for x
    x = 468,079,957,943.42/791,244.51
  6. Step 6: Final answer
    x = 591,574.35

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1.5x scale

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.