Home / 820,941.52-1,132,888.52-458,371.56

Finding the Fourth Proportional to 820,941.52, 1,132,888.52 and 458,371.56

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Solution

The fourth proportional to 820,941.52, 1,132,888.52 and 458,371.56 is: 632,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,941.52 : 1,132,888.52 = 458,371.56 : x
  2. Step 2: Convert to fraction form
    820,941.52/1,132,888.52 = 458,371.56/x
  3. Step 3: Cross multiply
    820,941.52x = 1,132,888.52 × 458,371.56
  4. Step 4: Simplify right side
    820,941.52x = 519,283,878,218.49
  5. Step 5: Solve for x
    x = 519,283,878,218.49/820,941.52
  6. Step 6: Final answer
    x = 632,546.74

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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.