Home / 691,045.77-1,036,869.84-242,088.69

Finding the Fourth Proportional to 691,045.77, 1,036,869.84 and 242,088.69

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Solution

The fourth proportional to 691,045.77, 1,036,869.84 and 242,088.69 is: 363,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,045.77 : 1,036,869.84 = 242,088.69 : x
  2. Step 2: Convert to fraction form
    691,045.77/1,036,869.84 = 242,088.69/x
  3. Step 3: Cross multiply
    691,045.77x = 1,036,869.84 × 242,088.69
  4. Step 4: Simplify right side
    691,045.77x = 251,014,461,266.11
  5. Step 5: Solve for x
    x = 251,014,461,266.11/691,045.77
  6. Step 6: Final answer
    x = 363,238.55

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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.