Home / 691,156.95-1,036,661.72-241,886.40

Finding the Fourth Proportional to 691,156.95, 1,036,661.72 and 241,886.40

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Solution

The fourth proportional to 691,156.95, 1,036,661.72 and 241,886.40 is: 362,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,156.95 : 1,036,661.72 = 241,886.40 : x
  2. Step 2: Convert to fraction form
    691,156.95/1,036,661.72 = 241,886.40/x
  3. Step 3: Cross multiply
    691,156.95x = 1,036,661.72 × 241,886.40
  4. Step 4: Simplify right side
    691,156.95x = 250,754,371,468.61
  5. Step 5: Solve for x
    x = 250,754,371,468.61/691,156.95
  6. Step 6: Final answer
    x = 362,803.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.