Home / 820,089.98-1,130,718.71-674,386.58

Finding the Fourth Proportional to 820,089.98, 1,130,718.71 and 674,386.58

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Solution

The fourth proportional to 820,089.98, 1,130,718.71 and 674,386.58 is: 929,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,089.98 : 1,130,718.71 = 674,386.58 : x
  2. Step 2: Convert to fraction form
    820,089.98/1,130,718.71 = 674,386.58/x
  3. Step 3: Cross multiply
    820,089.98x = 1,130,718.71 × 674,386.58
  4. Step 4: Simplify right side
    820,089.98x = 762,541,519,811.29
  5. Step 5: Solve for x
    x = 762,541,519,811.29/820,089.98
  6. Step 6: Final answer
    x = 929,826.66

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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.